Description The Trke Dry Bag 25L Backpack is a waterproof, airtight fortress designed for those who trek off the beaten path. The ergonomic design features adjustable and breathable padded mesh shoulder straps that detach at the base for storage when mounting on motorcycles, kayaks, personal watercraft or ATV/UTV racks. Durable, fully welded waterproof TPU construction, submersible IPX7-rated zippers, a removable internal support structure and integrated air/purge valve keep gear safe and dry wherever you roamFeatures: Dims: 11″ wide x 18″ tall x 7″ deep Fully waterproof, RF-welded PVC construction with reflective logos Submersible IPX7-rated zippers with lockable pulls Removable hi-vis internal support structure with hook-&-loop storage pouch for small items Interior neoprene pocket for tablet or small laptop storage External waterproof storage pouch Int