This package includes 20 pieces of 41mm foam practice golf balls, made of durable foam material for long-lasting use. They deliver a realistic hitting feel that mimics real golf balls, helping you practice your swing effectively. Designed for limited flight, they are safe to use in small spaces without worrying about damaging property or injuring people. Ideal for golf practice in backyard, indoor spaces and outdoor open areas, perfect for golf beginners and enthusiasts who want to train anytime anywhere without going to a professional golf course.