Ruffwear Hydro Plane Floating Dog Toy. Make fetching cool with the Hydro Plane! This disc toy is made of soft foam, making it not only float, but be gentle on any dog’s mouth. Made with abrasion-resistant materials for increased durability, making it perfect for tug of war or fetch. Hand wash with mild detergent; air dry. Pets should be supervised when playing with toys as no toy is completely indestructible.