Polaris Deluxe Drawstring Backpack, 15 W x 18 H. 210 denier polyester with .8mm black vinyl front panel. Metal grommets prevent tearing. Nylon braided drawstring closure. Large imprint area.Raise your campaign to high-end status with our Polarus Deluxe Drawstring Backpack! At 15 W x 18 H, this stylish bag is made of 210 denier polyester with .8mil black vinyl front panel and nylon braided drawstring closure. Metal grommets prevent tearing. Take advantage of the large imprint area for your full color transfer, pad print or silkscreen decor. Great for schools, universities and retailers, this bag will carry your brand far and wide!