Nonwoven Drawstring Cinch-Up Backpack. Made of durable eco-friendly 80GSM non-woven polypropylene material, each bag features a cinch top closure and adjustable soft nylon cord shoulder straps. They have a spacious interior that can carry can, bottles or other refreshments, along with other personal items that you want to keep close. The backpack size is 14.5"w x 17.5"h x 0.125"d. Please allow 10 business days for production, allow additional time for shipping.