Bradley 1/2 in. solid phenolic bench seat in shower. 1/2 in. thick phenolic core with white laminate bonded onto phenolic for color. All exposed edges are machined smooth to a uniform dark finish. 1-1/2in. HDPE support bar and 18 gauge 1 in. diameter stainless steel tubing. 7 gauge satin finish stainless steel mounting flanges with three mounting holes provided in each flange for installation. 16 gauge satin finish stainless steel lower support bracket. Designed to support up to 250lbs static load.