Help your clients keep hydrated on the go while they spread the word about your business with the String 'N Sip Combo! It includes the 210 denier polyester String-A Sling Backpack with the BPA-free PolyClear (TM) Gripper. The 14 3/4" W x 18 3/4" length (flat) x 10" H bag has string shoulder straps for a quick close top and the bottle features a push/pull twist off lid and 4-28 oz. volume indicators. Both the bottle and lid are made in the USA and biodegradable. The bottle's bottom diameter is 2 3/4". The QCA certified supplier offers a lifetime guarantee on this awesome promotional product!