water proof ergonomic mountain bags with better price (all bags fabric made by our factory). with good capacity for camping 1.water proof ergonomic mountain bags 2. lightweight design, soft sponge on back and shouler3. all of our products are designed by our R&D team, we also accept OEM&ODM4. it's ergonomic, up to 6p standard and water proof.5.double strand 1680D makes it more durable.6.with ...