These are hollow fake golf balls made of lightweight plastic, available in 3 different pack specifications: 24-pack, 50-pack and 100-pack to meet different demand. They are perfect for indoor and outdoor golf practice training, helping beginners practice golf swing and putting skills without causing damage to surroundings. Besides training use, they can also be applied as decorations for golf-themed parties, creative DIY crafts and event scene layout, which are lightweight, durable and easy to store or carry around.