Amazon

100% WATERPROOF GUARANTEE: Made of stiff 600D PVC material and designed with roll-top closure, protects your phones, camera, clothes, documents and snacks from Water, Sand, Dust and Dirt
ANTI LEAK AND ANTI TEAR: Features fully welded seams by high-frequency tech, our dry sack provides a stronger and more durably waterproof construction. Abrasion resistant for long lasting, perfect for boating, fishing, paddling, swimming and hiking
EASY AND COMFORTABLE TO CARRY: Comes with strap adjustable for convenient carry & comfort. Multi styles to carry for better looking. Reinforce the stress point of D-rings with double sewing, no ripping again even for heavy load