With its rib design for strength and durability, the Gladiator Viper Kneeboard is an incredible performer. A comfortable and stable ride allows you to take your kneeboarding to new heights. Includes aquatic hook, padded adjustable strap, deep contoured pad, and durable plastic base. 51.5"L x 21"W. 3" thick without pad. Weighs 11.75 lbs.