Wedge-It (Yellow) Ribbed construction for maximum strength while weighing less than 3 oz. Virtually indestructible because of LEXAN plastic construction, the same as bullet proof glass Small enough to fit in a pocket, strong enough to hold open the largest of doors and portable enough to hang on a uniform or trauma kit * Four non skid polyurethane pads prevent it from sliding when placed on top of door or on smooth surfaces Notched to fit over top of hinge pin and hole is provided to assist with carrying Eliminates the use of rolled up newspapers, flower pots, doormats or other objects to hold doors open