diff --git a/components/input/input.tsx b/components/input/input.tsx
index dc85152..81d05f8 100644
--- a/components/input/input.tsx
+++ b/components/input/input.tsx
@@ -18,6 +18,7 @@ interface Props {
   labelRight?: string
   icon?: React.ReactNode
   iconRight?: React.ReactNode
+  width?: string
   className?: string
   onChange?: (e: React.ChangeEvent<HTMLInputElement>) => void
 }
@@ -25,6 +26,7 @@ interface Props {
 const defaultProps = {
   disabled: false,
   readOnly: false,
+  width: 'initial',
   size: 'medium',
   status: 'default',
   className: '',
@@ -37,7 +39,7 @@ export type InputProps = Props & typeof defaultProps & React.InputHTMLAttributes
 const Input: React.FC<InputProps> = ({
   placeholder, label, labelRight, size, status, disabled,
   icon, iconRight, initialValue, onChange, readOnly, value,
-  className, ...props
+  width, className, ...props
 }) => {
   const theme = useTheme()
   const [selfValue, setSelfValue] = useState<string>(initialValue)
@@ -91,9 +93,10 @@ const Input: React.FC<InputProps> = ({
           align-items: center;
           box-sizing: border-box;
           user-select: none;
+          width: ${width};
           height: calc(${heightRatio} * ${theme.layout.gap});
         }
-        
+
         .input-wrapper {
           display: inline-flex;
           vertical-align: middle;
diff --git a/pages/docs/components/input.mdx b/pages/docs/components/input.mdx
index 612f9ac..18670c5 100644
--- a/pages/docs/components/input.mdx
+++ b/pages/docs/components/input.mdx
@@ -18,6 +18,25 @@ Retrieve text input from a user.
 <Input placeholder="The Evil Rabbit" />
 `} />
 
+<Playground
+  title="Size"
+  scope={{ Input, Spacer }}
+  code={`
+<>
+  <Input size="mini" placeholder="Mini Input" /> <Spacer y={.5} />
+  <Input size="small" placeholder="Small Input" /> <Spacer y={.5} />
+  <Input size="medium" placeholder="Medium Input" /> <Spacer y={.5} />
+  <Input size="large" placeholder="Large Input" />
+</>
+`} />
+
+<Playground
+  title="Set width"
+  scope={{ Input }}
+  code={`
+<Input placeholder="The Evil Rabbit" width="100%" />
+`} />
+
 <Playground
   title="unwritable"
   scope={{ Input, Spacer }}