The Overton's Extra Large Water Saddle is made of a 2" thick 5-ply poly foam that will not deflate, even after repeated use. The Water Saddle allows your arms and legs freedom of movement while soaking in the pool, lake, or ocean. Foam material dries quickly for storage. The Extra Large Water Saddle is designed with 10" diameter leg openings. 32"L x 16"W.