diff --git a/web/app/components/datasets/formatted-text/flavours/edit-slice.tsx b/web/app/components/datasets/formatted-text/flavours/edit-slice.tsx
new file mode 100644
index 0000000000..56d4d32145
--- /dev/null
+++ b/web/app/components/datasets/formatted-text/flavours/edit-slice.tsx
@@ -0,0 +1,86 @@
+import { useState } from 'react'
+import type { FC, ReactNode } from 'react'
+import { FloatingFocusManager, autoUpdate, flip, shift, useDismiss, useFloating, useHover, useInteractions, useRole } from '@floating-ui/react'
+import { RiDeleteBinLine } from '@remixicon/react'
+import type { SliceProps } from './type'
+import { SliceContainer, SliceContent, SliceDivider, SliceLabel } from './shared'
+import classNames from '@/utils/classnames'
+import ActionButton, { ActionButtonState } from '@/app/components/base/action-button'
+
+type EditSliceProps = SliceProps<{
+  label: ReactNode
+  onDelete: () => void
+}>
+
+export const EditSlice: FC<EditSliceProps> = (props) => {
+  const { label, className, text, onDelete, ...rest } = props
+  const [delBtnShow, setDelBtnShow] = useState(false)
+  const [isDelBtnHover, setDelBtnHover] = useState(false)
+
+  const { refs, floatingStyles, context } = useFloating({
+    open: delBtnShow,
+    onOpenChange: setDelBtnShow,
+    placement: 'right',
+    whileElementsMounted: autoUpdate,
+    middleware: [
+      flip(),
+      shift(),
+    ],
+  })
+  const hover = useHover(context, {})
+  const dismiss = useDismiss(context)
+  const role = useRole(context)
+  const { getReferenceProps, getFloatingProps } = useInteractions([hover, dismiss, role])
+
+  const isDestructive = delBtnShow && isDelBtnHover
+
+  return (
+    <div>
+      <SliceContainer {...rest}
+        className={className}
+        ref={refs.setReference}
+        {...getReferenceProps()}
+      >
+        <SliceLabel
+          className={classNames(
+            isDestructive && '!bg-red-500 !text-text-primary-on-surface',
+          )}
+        >
+          {label}
+        </SliceLabel>
+        <SliceContent
+          className={classNames(isDestructive && '!bg-state-destructive-hover-alt')}
+        >
+          {text}
+        </SliceContent>
+        <SliceDivider
+          className={classNames(
+            isDestructive && '!bg-state-destructive-hover-alt',
+          )}
+        />
+        {delBtnShow && <FloatingFocusManager
+          context={context}
+        >
+          <div
+            ref={refs.setFloating}
+            style={floatingStyles}
+            {...getFloatingProps()}
+            className='p-1 rounded-lg bg-components-actionbar-bg shadow flex items-center justify-center'
+            onMouseEnter={() => setDelBtnHover(true)}
+            onMouseLeave={() => setDelBtnHover(false)}
+          >
+            <ActionButton
+              onClick={() => {
+                onDelete()
+                setDelBtnShow(false)
+              }}
+              state={ActionButtonState.Destructive}
+            >
+              <RiDeleteBinLine className='w-4 h-4' />
+            </ActionButton>
+          </div>
+        </FloatingFocusManager>}
+      </SliceContainer>
+    </div>
+  )
+}
diff --git a/web/app/components/datasets/formatted-text/flavours/formatted.tsx b/web/app/components/datasets/formatted-text/flavours/formatted.tsx
deleted file mode 100644
index b6f9d0467d..0000000000
--- a/web/app/components/datasets/formatted-text/flavours/formatted.tsx
+++ /dev/null
@@ -1,7 +0,0 @@
-import type { FC, PropsWithChildren } from 'react'
-
-export type FormattedTextProps = PropsWithChildren
-
-export const FormattedText: FC<FormattedTextProps> = (props) => {
-  return <p className='leading-7'>{props.children}</p>
-}
diff --git a/web/app/components/datasets/formatted-text/flavours/normal.tsx b/web/app/components/datasets/formatted-text/flavours/preview-slice.tsx
similarity index 51%
rename from web/app/components/datasets/formatted-text/flavours/normal.tsx
rename to web/app/components/datasets/formatted-text/flavours/preview-slice.tsx
index 8567428151..9b7ec026f3 100644
--- a/web/app/components/datasets/formatted-text/flavours/normal.tsx
+++ b/web/app/components/datasets/formatted-text/flavours/preview-slice.tsx
@@ -2,16 +2,14 @@ import { useState } from 'react'
 import type { FC, ReactNode } from 'react'
 import { autoUpdate, flip, inline, shift, useDismiss, useFloating, useHover, useInteractions, useRole } from '@floating-ui/react'
 import type { SliceProps } from './type'
-import classNames from '@/utils/classnames'
+import { SliceContainer, SliceContent, SliceDivider, SliceLabel } from './shared'
 
-type NormalSliceProps = SliceProps<{
+type PreviewSliceProps = SliceProps<{
   label: ReactNode
   tooltip: ReactNode
 }>
 
-const baseStyle = 'py-[3px]'
-
-export const NormalSlice: FC<NormalSliceProps> = (props) => {
+export const PreviewSlice: FC<PreviewSliceProps> = (props) => {
   const { label, className, text, tooltip, ...rest } = props
   const [tooltipOpen, setTooltipOpen] = useState(false)
   const { refs, floatingStyles, context } = useFloating({
@@ -34,37 +32,23 @@ export const NormalSlice: FC<NormalSliceProps> = (props) => {
   const { getReferenceProps, getFloatingProps } = useInteractions([hover, dismiss, role])
   return (
     <>
-      <span {...rest} className={classNames(
-        'group align-bottom mr-1 select-none text-sm',
-        className,
-      )} ref={refs.setReference}
-      {...getReferenceProps()}
+      <SliceContainer {...rest}
+        className={className}
+        ref={refs.setReference}
+        {...getReferenceProps()}
       >
-        <span className={classNames(
-          baseStyle,
-          'px-1 bg-state-base-hover-alt text-text-tertiary group-hover:bg-state-accent-solid group-hover:text-white',
-        )}>
-          {label}
-        </span>
-        <span className={classNames(
-          baseStyle,
-          'px-1 text-text-secondary bg-state-base-hover group-hover:bg-state-accent-hover-alt group-hover:text-text-primary',
-        )}>
-          {text}
-        </span>
-        <span
-          className='py-[3px] bg-state-base-active group-hover:bg-state-accent-solid text-sm px-[1px]'
-        >
-          {/* use a zero-width space to make the hover area bigger */}
-          &#8203;
-        </span>
-      </span>
-      {tooltipOpen && <div ref={refs.setFloating} style={floatingStyles}
+        <SliceLabel>{label}</SliceLabel>
+        <SliceContent>{text}</SliceContent>
+        <SliceDivider />
+      </SliceContainer>
+      {tooltipOpen && <span
+        ref={refs.setFloating}
+        style={floatingStyles}
         {...getFloatingProps()}
         className='p-2 rounded-md bg-components-tooltip-bg shadow shadow-shadow-shadow-5 backdrop-blur-[5px] text-text-secondary leading-4 border-[0.5px] border-components-panel-border text-xs'
       >
         {tooltip}
-      </div>}
+      </span>}
     </>
   )
 }
diff --git a/web/app/components/datasets/formatted-text/flavours/shared.tsx b/web/app/components/datasets/formatted-text/flavours/shared.tsx
index e69de29bb2..b8102e4ebf 100644
--- a/web/app/components/datasets/formatted-text/flavours/shared.tsx
+++ b/web/app/components/datasets/formatted-text/flavours/shared.tsx
@@ -0,0 +1,57 @@
+import { type ComponentProps, type FC, forwardRef } from 'react'
+import classNames from '@/utils/classnames'
+
+const baseStyle = 'py-[3px]'
+
+export type SliceContainerProps = ComponentProps<'span'>
+
+export const SliceContainer: FC<SliceContainerProps> = forwardRef((props, ref) => {
+  const { className, ...rest } = props
+  return <span {...rest} ref={ref} className={classNames(
+    'group align-bottom mr-1 select-none text-sm',
+    className,
+  )} />
+})
+SliceContainer.displayName = 'SliceContainer'
+
+export type SliceLabelProps = ComponentProps<'span'>
+
+export const SliceLabel: FC<SliceLabelProps> = forwardRef((props, ref) => {
+  const { className, children, ...rest } = props
+  return <span {...rest} ref={ref} className={classNames(
+    baseStyle,
+    'px-1 bg-state-base-hover-alt group-hover:bg-state-accent-solid group-hover:text-text-primary-on-surface uppercase text-text-tertiary',
+    className,
+  )}>
+    {children}
+  </span>
+})
+SliceLabel.displayName = 'SliceLabel'
+
+export type SliceContentProps = ComponentProps<'span'>
+
+export const SliceContent: FC<SliceContentProps> = forwardRef((props, ref) => {
+  const { className, children, ...rest } = props
+  return <span {...rest} ref={ref} className={classNames(
+    baseStyle,
+    'px-1 bg-state-base-hover group-hover:bg-state-accent-hover-alt group-hover:text-text-primary',
+    className,
+  )}>
+    {children}
+  </span>
+})
+SliceContent.displayName = 'SliceContent'
+
+export type SliceDividerProps = ComponentProps<'span'>
+
+export const SliceDivider: FC<SliceDividerProps> = forwardRef((props, ref) => {
+  const { className, ...rest } = props
+  return <span {...rest} ref={ref} className={classNames(
+    'py-[3px] bg-state-base-active group-hover:bg-state-accent-solid text-sm px-[1px]',
+    className,
+  )}>
+    {/* use a zero-width space to make the hover area bigger */}
+    &#8203;
+  </span>
+})
+SliceDivider.displayName = 'SliceDivider'
diff --git a/web/app/components/datasets/formatted-text/formatted.tsx b/web/app/components/datasets/formatted-text/formatted.tsx
new file mode 100644
index 0000000000..14d339e688
--- /dev/null
+++ b/web/app/components/datasets/formatted-text/formatted.tsx
@@ -0,0 +1,12 @@
+import type { ComponentProps, FC } from 'react'
+import classNames from '@/utils/classnames'
+
+export type FormattedTextProps = ComponentProps<'p'>
+
+export const FormattedText: FC<FormattedTextProps> = (props) => {
+  const { className, ...rest } = props
+  return <p
+    {...rest}
+    className={classNames('leading-7', className)}
+  >{props.children}</p>
+}
diff --git a/web/app/dev-preview/page.tsx b/web/app/dev-preview/page.tsx
index f97640c53b..72434cafd9 100644
--- a/web/app/dev-preview/page.tsx
+++ b/web/app/dev-preview/page.tsx
@@ -1,16 +1,35 @@
 'use client'
 
-import { FormattedText } from '../components/datasets/formatted-text/flavours/formatted'
-import { NormalSlice } from '../components/datasets/formatted-text/flavours/normal'
+import { FormattedText } from '../components/datasets/formatted-text/formatted'
+import { PreviewSlice } from '../components/datasets/formatted-text/flavours/preview-slice'
+import { EditSlice } from '../components/datasets/formatted-text/flavours/edit-slice'
 
 export default function Page() {
   return <div className='p-4'>
     <FormattedText>
-      <NormalSlice label='C-1' text='lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.' tooltip={'Child-chunk-2 · 268 Characters'} />
-      <NormalSlice label='C-1' text='lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.' tooltip={'Child-chunk-2 · 268 Characters'} />
-      <NormalSlice label='C-1' text='lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.' tooltip={'Child-chunk-2 · 268 Characters'} />
-      <NormalSlice label='C-1' text='lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.' tooltip={'Child-chunk-2 · 268 Characters'} />
-      <NormalSlice label='C-1' text='lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.' tooltip={'Child-chunk-2 · 268 Characters'} />
+      <PreviewSlice label='C-1' text='lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.' tooltip={'Child-chunk-2 · 268 Characters'} />
+      <PreviewSlice label='C-1' text='lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.' tooltip={'Child-chunk-2 · 268 Characters'} />
+      <PreviewSlice label='C-1' text='lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.' tooltip={'Child-chunk-2 · 268 Characters'} />
+      <PreviewSlice label='C-1' text='lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.' tooltip={'Child-chunk-2 · 268 Characters'} />
+      <PreviewSlice label='C-1' text='lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.' tooltip={'Child-chunk-2 · 268 Characters'} />
     </FormattedText>
+
+    <div className='mt-12 flex flex-col gap-2'>
+      <EditSlice label='C-1' text='lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.' onDelete={function (): void {
+        console.log('onDelete')
+      } } />
+      <EditSlice label='C-1' text='lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.' onDelete={function (): void {
+        console.log('onDelete')
+      } } />
+      <EditSlice label='C-1' text='lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.' onDelete={function (): void {
+        console.log('onDelete')
+      } } />
+      <EditSlice label='C-1' text='lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.' onDelete={function (): void {
+        console.log('onDelete')
+      } } />
+      <EditSlice label='C-1' text='lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.' onDelete={function (): void {
+        console.log('onDelete')
+      } } />
+    </div>
   </div>
 }