Here's some code that renders Select with several values. You can select as many values as you like:
import React, { useState } from 'react';import { makeStyles } from '@material-ui/styles';import Select from '@material-ui/core/Select';import Input from '@material-ui/core/Input';import InputLabel from '@material-ui/core/InputLabel';import MenuItem from '@material-ui/core/MenuItem';import FormControl from '@material-ui/core/FormControl';const options = [ { id: 1, label: 'First' }, { id: 2, label: 'Second' }, { id: 3, label: 'Third' }, { id: 4, label: 'Fourth' }, { id: 5, label: 'Fifth' }];const useStyles = makeStyles(theme => ({ formControl: { margin: theme.spacing(1), minWidth: 100, maxWidth: 280 }}));export default function ...