Size:19.6" x 16.5" inch/50cm x 42cm Drawstring Bag, Large Capacity Backpack, Able To Store Personal Things For Outdoor Activities Material: The Drawstring Bags Made of High-Density Polyester Fabric, Lightweight And Reusable, Foldable Comfortable For Outing And Travelling Bags Adjustable Wide Shoulder Straps:The Length Is Adjustable From Digging Into Your Shoulders And Help Reduce Your Shoulder Burden. And Adjustable Drawstrings Can Fit Both Men And Women