Treat Dispensing Pickle Pocket is made from a virtually indestructible material that is stronger than rubber and great for strong chewers. The material is FDA approved and free of latex, vinyl, and phthalates. The Pickle Pocket encourages play and provides hours of mental stimulation and physical activity, preventing destrutive boredom behaviors. It can be filled with your dog's favorite treats, and it throws, bounces, and floats in water. Made for dogs of all sizes.