Boon Griffle Textured Non Slip Baby Bath Tub Mat, Hanging Hook Drain, Gray The Boon Bathtub Mat covers a large portion of the bathtub. It features a super soft textured surface to help prevent slipping, a built-in hook for hanging and drain holes that expel water. The effect on bath time is gonna be epic. This product does not work on textured tubs. Baby Bath Mat: This mat is made for slippery, smooth tubs and features soft textured surface to prevent slipping Hanging Bathtub Mat: Features a built-in hook to fold, hang and dry Drain holes in bathmat mean fewer worries about yucky buildup Large Bath Tub Mat: 36.5 x 15.8 Inches Made without BPA