SINOTOP Waterproof Dry Bag Backpack 30L Roll Top Sack Keep Gear Dry for Kayaking,Boating,Camping,Swimming,Hiking,Rafting,Fishing,Snowboarding with 2L Waterproof Bag ECO FRIENDLY: Environmentally safe PVC  tested and certified. Sinotop quality is supported by Lifetime Warranty and 100% Money Back Guarantee if you are not satisfied CONSTRUCTION & FREE GIFT: Carefully constructed dry bag made of 500 eco friendly PVC Tarpaulin with high frequency welded stitching made to withstand the most rugged outdoor activities. Gift --- 2L waterproof bag,Keeps things dry and doesn't take up a ton of room USES: Can be used for a variety of water activities including, but not limited to: paddle boarding, boating, climbing, rafting, kayaking, surfing, fishing, camping etc. Can also be used on a daily basis to protect your belongs against harsh weather conditions ADDITIONAL FEATURES: Includes mesh side netting for water bottles and accessories along with corded exterior to hold items like yoga mats, camping gear or any extra outdoor equipment. Also includes upgraded high strength buckling for better insulation COMFORTABLE TO CARRY: The padded straps protect your shoulders and can be adjusted in order to offer you the optimal way to use this multifunctional backpack, COMFORTABLE BACK PANEL with air-flow design | Elasticated front webbing | Adjustable sternum strap and waist belt