OMGear Waterproof Dry Bag Backpack Waterproof Phone Pouch 40L/30L/20L/10L/5L Floating Dry Sack for Kayaking Boating Sailing Canoeing Rafting Hiking Camping Outdoors Activities(Grey,20L)

Roll Up Design: OMGear dry bag needs to roll up 3-5 times and please ensure that the dry bag is inflated after rolling up.If the dry bag is inflated,which means air can not leak out from dry bag,which means water also can not leak in. Strong Shoulder Straps :OMGear waterproof dry backpack is with strong adjustable back shoulder straps,allows for comfortable carrying and fit for most body sizes.For 30Liter and 40Liter waterproof backpack,we make the straps by durable EVA,softy and more durable for heavy use. Must Haves for Most Outdoors Activities:The dry backpack can float on water after rolled and buckled,perfect for all outdoors activities,like diving;kayaking;boating;paddling board; sailing;canoeing;surfing;fishing;rafting;hiking;camping;beach activities ect. Easy To Use And Clean : Just put your gear in your OMGear water tight dry bags, grab top woven tape and roll down tightly 3 to 5 times and then plug buckle to complete seal. The Dry bag is easy to wipe clean due to its smooth surface. Roll Up Design: OMGear dry bag needs to roll up 3-5 times and please ensure that the dry bag is inflated after rolling up.If the dry bag is inflated,which means air can not leak out from dry bag,which means water also can not leak in