size String(default: "medium")

Sets a value controlling size of the component. Can also be set to the following string values:

• "small"
• "medium"
• "large"
• "none"

Example - sets a size

<select id="multiselect" multiple="multiple">
    <option>Item1</option>
    <option>Item2</option>
</select>
<script>
$("#multiselect").kendoMultiSelect({
  size: "large"
});
</script>