Rolled Poster Sleeves 3.5"x26" 1.25mil Clear Flat Poly Poster Sleeve 100 Pieces This bag's width is 3.5 inches, your rolled-poster's circumference should less than 7 inches. 3.5"(W) x 26"(L) 1.25 Mil Clear Flat LDPE Poly Bag 100 pieces. This item is packed a 100pcs/pack. Make from 100% virgin, high clarity low density polyethylene (LDPE) film. Excellent use for posters, maps and documents.