JW® Crackle Heads® Crackle Ball is great for toss and games of fetch. This long-lasting dog toy is fashioned with a tough outer rubber layer which provides a protective wall. The outer layer has holes so that the crunchy sound is easily heard by your pet. The crunchy ball inside is made with recyclable plastic bottle material. Provides hours of enticing interactive playtime for your dog. Ships in random fun assorted colors. Features that satisfying water bottle crunch dogs love Made with durable natural rubber Crunchy water bottle encased in a strong rubber shell Made with recycled plastic bottle material Ships in assorted colors Available Sizes: Small (2"), Medium (3"), Large (4")