The best selling String A Sling Backpack now comes in a trendy designer print. Made of 420d polyester, the cinch sack backpack has a large main compartment with drawstring closure. It also has a large front zippered compartment to keep valuables safe. The string shoulder straps on the backpack loop for a drawstring top that can be closed quickly. The recommended weight tolerance for this backpack is 12 lbs. Go around with flamboyance showcasing your logo imprinted on the designer backpack and give a fillip to your promotional activities too.