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 a 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. Features: -Lightweight memory foam design for pool, beach, or lake fun -Bumper rope toy is knotted for a secure grip -Made of a durable,nylon rubber,and EVA foam -Soft on dog's gums and teeth -Withstands aggressive chewing -Easy to clean, just rinse off -Dimensions: 6.6cm x 6.1cm x 21.1cm