CRAFTED TO ENDURE THE HARSHEST ELEMENTS: Cor Surf dry bag backpack features sonically welded seams that ensure their 100% waterproof and dirtproof integrity, complete with a roll-top closure. In fact, it'll even float safely if you were to accidentally drop it in water, so you can be assured that your gear stay dry throughout your adventures. 40-LITER APPETITE: with its massive 40-liter capacity, this waterproof backpack dry bag is as ready for the outdoors as you are. It's the buddy you can count on through snow, wind, rain, hail, rivers, ocean or on the back of your motorcycle, snowmobile, canoe and other devices. Did we say it'll also make a fantastic bag to work with its padded laptop sleeve interior compartment? THOUGHTFUL, PRACTICAL DESIGN: Cor Surf waterproof bag for boating, kayaking and other water activities is made to be exceptionally hardy and highly functional. It features heavy-duty PVC material to weather any environment; ergonomic shoulder pads with breathable mesh for optimal comfort and hygiene; chest buckle ensures a secure fit; adjustable compression top strap to store large items; reflective strip for safe riding/walking at night and mesh side pockets for your water bottle. FROM OUTDOORS TO INDOORS: Cor Surf waterproof drybag is very versatile, so it can be used as a motorcycle backpack, overnight bags, travel bags, day backpacks for sports, gym, travel, camping trips. Make it the go-to bag in your life! The perfect gift for anyone who spends time outdoors, whether it's surfing, rafting, kayak, paddleboarding, bike commuting, camping, hiking or scuba diving, this dryback can handle anything thrown its way! DIMENSIONS FOR COR SURF ROLL TOP BACKPACK: 40 liters; (height) 21 x (width) 15 x (depth) 8 inches. THIS ITEM IS NOT INTENDED FOR USE BY CHILDREN 12 AND UNDER. NEW and Update for 2022. Now with Premium YKK Water Resistant Zippers, plus a new Internal Zip pocket for phone and accesorries. COR Surf waterproof heavy duty backpack is your trusted buddy for every adventure. The COR Surf dry bag backpack makes one of the best companions for your next hiking trip, surfing vacation or snowboarding escapade. With a generous 25 liter capacity, you can effortlessly fit in all that you need - with room left for exciting stories to share! 100% waterproof COR Surf features sonic welded seams, which create a solid-state weld that is guaranteed to keep moisture and dust at bay. This means your gear stays dry, and you stay happy. Thoughtfully designed: This waterproof backpack dry bag comes with many user-friendly design details that make it the waterproof backpack of choice for an outdoor warrior. Made of heavy-duty PVC material to endure the harshest condition, so that your gear will stay dry when you need it most. Padded shoulder straps with breathable mesh for optimal comfort and hygiene, chest buckle offers a snug, secure fit, which lifts weight off your shoulders to ensure a healthy, comfortable walking posture. Adjustable compression top strap and roll top design offer versatile storage space to accommodate big-sized items - Padded laptop sleeve interior compartment keeps your laptop, camera and other digital devices safe. Compartment dimensions: 11 x 14 inches - Mesh side pockets for your water bottles (up to 24 oz), Reflective strip for safe riding and walking at night. The world is calling. Answer the call of adventure with your COR Surf dry backpack!