Size: 4×7″, 5×9″, 6×9″,7.25×11″,8.5×11″, 8.5×13.5″,9.5×13.5″,10.5×15″, 12.5×18″,14.25×19″. Special Features: Cushioning, waterproof, tear-resistant, puncture-resistant. Color: White. (Usable Size 4×8″, 5×10″, 6×10″,7.25×12″,8.5×12″, 8.5×14.5″,9.5×14.5″,10.5×16″, 12.5×19″,14.25×20″).