Bestway Steel Pro Frame Swimming Pool Set (7.25 ft x 5 ft x 1.5 ft)Effortless setup with heavy duty 3 ply PVC and polyester walls. Built in flow control drain valve allows connection to a garden hose (with included adapter) for easy draining. Included underwater adhesive patch for repairs. Enhanced strength and durability from the Tritech 3 layer reinforced material with a polyester mesh core, resulting in 0. 40 0. 80mm thickness (16 32 gauge) depending on the pool size. Corrosion resistant metal frames make it easy