• WATERPROOF BAG: This triangle frame bag are made with innovative seamless workmanship, equipped with waterproof zipper make this pouch waterproof, keep your belongings dry in rainy days (Do not soak in the heavy rain).
• LARGE CAPACITY: ROCKBROS bike frame bag are big enough to hold phones, keys, wallet, glasses , power bank, snacks and some emergency tools with some room to spare. Side zipper pocket are easy to access your items.
• 5L/8L TWO SIZE BAG: We have two size of triangle bike bag for your choice, 5L（11.8*7.5*11.8inches, about 0.4lbs）and 8L (15.7*9*15.3 inches, about 0.6lbs), fits bikepacking, mountain bike, road bike or city touring riding. As the frame bag is large than usual bag, please measure your frame size before you adding to cart.
• EAST TO MOUNT ON: Four mounting straps for installing under the bike top tube, stay in place and won’t move even on the rough roads, the slim body（2.4”wide）allows this bag to hide under the frame without worrying about interfering with pedaling.
• Any using question or problem please let us know, we will help you to figure out and solve it.