Product Name: 8.5 x 21 x 3 mil, Nonprinted, Comb. (DSWS): Front - White Opaque LLDPE (Grade 2), Back - Clear LLDPE (Grade 2), (4) 3/8" Vent Hole(s), non-punched, 1 3/4" both sides, see dwg. , (1) Vertical Perforation, 3/4 in. from right side, 350 Bags/Roll, 4 Rol SKU: 14411-116-OS