6' x 12' x 9.25". Durable and long lasting. Mats have a layer of 1.25" Trocellen crosslink foam bonded to the base and Urethane foam to provide balance to dissipate impact forces. Features include base foam density of 1.3 lb/cu ft and a hardness of 35-40 ILD (Indent Load Deflection). Deluxe cover construction is similar to that of Crash Mats.