Rhinowalk Motorcycle Tail Bag Rear Seat Bag Hard Shell Waterproof 23-35L Expandable Motorbike Helmet Bag Backpack Luggage Bag Storage Bag (12-18L Matte Black)

EVA HARDSHELL STYLE, the aerodynamic, streamlined shape reduces wind resistance without sacrificing style.The main body is made of thickened and stiffened EVA, which is shock- absorbent and protecting your gear from harm's way. Bottom made of Waterproof, Abrasion-Resistant & Non-Slip leather, fixed and cushioned. The bottom is concave and fits perfectly on the rear seat, making it universal for almost all bikes on the market.
EXPANDABLE AND LARGE CAPACITY, expandable design on the top. 23L when contracted, easy riding and convenient storage. Up to 35L when fully expanded, fit a full-face helmet easily.
WATERPROOF INNER BAG, separate inner bag can to keep your gear dry and easy to take out. It made of enforced polyester fabric with waterproof rating of PU6000MM, and the seams are sealed with thermal welds waterproof rubber tape that can effectively resist rain. It will keep your luggage dry in all weathers.
SHOULDER/HAND CARRY, with 2 breathable mesh shoulder straps for shou