• All four sizes = one great deal! 
• Lightweight, Compact and Durable: Made from ripstop tarpaulin with sturdy welded seam which is designed for years usage, tear, rip and puncture proof. Perfect for almost any extreme adventure you imagine.
• Waterproof Guarantee: Solid roll-top closure system provides a secure watertight seal. Keep your gear dry in any wet situation where the bag is not fully submerged. Protect your valuables from water, snow, mud and sand.
• Shoulder Sling Attachment Included: Easy to throw over your shoulder when you need both hands free
• Easy Operation and Cleaning: Just put your gear in the  bag, grab top woven tape and roll down tightly 3 to 5 times and then plug buckle to complete seal, the whole process is very quick. Dry sack is easy to wipe clean due to its smooth surface.
• Safety Buckle: Push-Button on the buckle ensures there are no accidental openings.
• Versatility: The dry sack can float on water after rolled and buckled, so you can track your gear easily. Perfect for boating, kayaking, paddling, sailing, canoeing, surfing or having fun on the beach. A nice Holiday Gift for families and friends.