Waterproof: ROCKBROS waterproof PVC bags reliably protect your valuable belongings from dust and moisture. Ideal for water sports like swimming boat kayak rafting sailing.
5 sizes to choose: You can choose different size 5L 10L 20L 30L 40L.
With detachable strap: 1x strap for 5L. 2x removable strap for 10L 20L 30L 40L.
Ultralight: Hardly burden for water sports.
Foldable: Easy to carry.