If your next adventure is going to be in or near the water and you need to keep items dry, ALPS Reflection Waterproof packs are the solution to your problems. Constructed of durable 600D polyester over TPU fabric with roll top closure and padded shoulder straps make the Reflection series perfect when your journey requires portages or hiking in wet environments. Available in 20L, 40L and 70L sizes ensures you will have plenty of room to keep your gear dry regardless of the duration of your outing. FeaturesContoured and padded backpack straps for easy portageConvenient top grab handleStand-off padding on back for optimal air-movementDurable 600D TPU waterproof material with welded seamsRoll-top closure with top compression straps