Drawstring design: durable mesh bag with sliding drawstring cord lock closure provide security that items won't spill outAdjustable shoulder straps: range from 15.7" - 30.7", no need to use hands, comfortable, a great beach drawstring backpack for different age children, kids or adultsFoldable design: expand dimensions approx. 48 x 24 cm/ 18.9 x 9.4 inches, folded size approx. 16 x 14 cm/ 6.3 x 5.5 inches, light enough and easy to carry, taking up little space and easily stored in handbags, drawers and luggageMaterial: our beach mesh bag using cross stitching process, more stable (optimized by single-line stitching to double-line stitching), more durable and versatile, mesh material easy to rinse, hang and dryWide application: mesh beach bags are applied for storing toys, swimwear, sunglasses, goggles, snacks and so on, it is suitable for beach, swimming, boating, camping and outdoor sports, children like to use them to collect treasures found and shell storage on the beach