The Chuckit. Amphibious Bumper is made from sturdy nylon, rubber, and memory foam, designed and constructed to float, endure abrasion and the soft yet durable material is easier on your dog's mouth. The knotted rope handle provides a non-slip hold. Floats high on the water and is brightly colored for increased visibility. This toy is also unsinkable and great for interactive play. Easy to clean after a day of tug-of-war. Ships in assorted colors. Product Note: For supervised play only. Know your dog and choose the appropriate size and type of toy to prevent choking or other harm. Inspect this toy regularly; if the toy is damaged or if parts become separated, remove toy and parts as injury may result. Not a child's toy.