Chip

main.dart

import 'package:flutter/material.dart';

const Color darkBlue = Color.fromARGB(255, 18, 32, 47);

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData().copyWith(
        scaffoldBackgroundColor: darkBlue,
        useMaterial3: true,
      ),
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        body: Center(
          child: MyWidget(),
        ),
      ),
    );
  }
}

class MyWidget extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Chip(
      label: const Text('hello world!'),
      deleteIcon: const Icon(
        Icons.arrow_drop_down,
        size: 18.0,
      ),
      onDeleted: () {},
      // This is the default in Material 3 anyway, 
      // but can be added if using Material 2.
      side: BorderSide.none,
      
    );
  }
}