Features PVC coated 210D Polyester main compartment with black Polyester Mesh zipper;Water-resistant dry bag – great for travel, trips to the gym and beach and much more; To close, fold top of bag (at black Nylon top seam) at least 3 times and snap buckles together; Also includes removable adjustable polyester shoulder strap: .075"w x 28"l at shortest, adjusts up to 54"l; Recommended weight tolerance: 22 lbs; Product Size: 12" w x 18.5" h;