10 x 15 x 1.5 mil,  Nonprinted, Clear LLDPE (Grade 2),  (2) 1/4" Vent Hole(s), One in each corner, 1" up from seal, 1" in from side, 1000 Bags/Roll, 4 Rolls/Carton Bag Type: Preopened Bags on Rolls 1/4" vent hole in each lower corner.