Material: Durable, lightweight, and waterproof EVA (Ethylene Vinyl Acetate) foam. Size: Available in Large (18.7"x9.1"x13.4"), Medium (14.2"x5.1"x11.8"), and Small (11.0"x4.3"x8.3"). Key Features: Features a sturdy non-slip bottom to prevent tipping and a perforated breathable design that is completely waterproof, sand-proof, and easy to hose off after a day at the beach.
