Description: HIGH QUALITYFloating waterproof bag is made of tough PVC material, waterproof and durable. QUICK STORAGEKayaking waterproof bag is super easy and quick to use. Put your items in the bag, and roll down 3 to 5 times, then plug the buckle to complete the seal. LIGHTWEIGHT AND PORTABLEThe waterproof bag is light in weight and can be folded into a small size, which is very convenient to carry. SHOULDER STRAPThe waterproof bag roll up top with shoulder strap, lightweight design, convenient travel, and comfortable use. MULTIPLE OCCASIONThe floating bag is perfect for swimming, kayaking, boating, sailing, surfing, canoeing paddling, and other outdoor activities. Specification: Material: PVC Size Chart: 2L: Flat 18cmx28cm/7.09inchx11.02inch Unfold 28cmx11.5cm/11.02inchx4.53inch Fold 11.5cmx15cm/4.53inchx5.91inch 5L: Flat 19cmx40cm/7.48inchx15.75inch Unfold 29.5cmx40cm/11.61inchx15.75inch Fold 19cmx25cm/7.48inchx9.84inch 10L: Flat 19cmx55cm/7.48inchx21.65inch Unfold 29.5cmx55cm/11.61inchx21.65inch Fold 19cmx40cm/7.48inchx15.75inch 15L: Flat 23cmx57cm/9.06inchx22.44inch Unfold 36cmx57cm/14.17inchx22.44inch Fold 23cmx42cm/9.06inchx16.54inch 20L: Flat 23cmx63cm/9.06inchx24.80inch Unfold 36cmx63cm/14.17inchx24.80inch Fold 23cmx48cm/9.06inchx18.90inch 30L: Flat 24cmx72cm/9.45inchx28.35inch Unfold 37.5cmx72cm/14.76inchx28.35inch Fold 24cmx57cm/9.45inchx22.44inch Package Includes: 1 Waterproof Bag Note: Please allow slightly errors due to manual measurement and different monitors.