Waterproof & Sturdy MaterialThis double rear pannier is made of durable 900 denier ripstop nylon that is abrasion and tear resistant, and comes with an additional rainproof cover for real downpours. In addition, the panniers are treated with PVC synthetic leather on the inside of the flap, which offers an additional water-repellent effect. It's hard to exhaust, whether you use it for world expeditions, cycling or lighter weekend trips Large Capacity Portable CastleThe 30L waterproof bike pannier bag can accommodate cycling gear. The rear pannier bag features 2 spacious main compartments, big enough for clothes, bike repair gear and many other items. Along with an external elastic pocket on each side (rear facing when mounted on the bike). This comes in handy when you want to take a bottle of water or an umbrella Bring One Pannier Solves EverythingDouble bike panniers make it easier to carry things that are too bulky/heavy for your bags or backpack. It has more advantages over shoulder bags and backpacks: no sweaty back, larger capacity, more convenient. Each rear bike bag includes high-visibility reflective strips on the back to help you travel safely, perfect for running errands or just everyday cycling storage needs All-Around Fixation Without BounceIt features an adjustable four-point attachment system , which securely attaches it to the rear of your bike. 2 additional magic bands are used to attach the support bars to keep the suitcase in place while driving. With 4 inserts (2 long, 2 short) to keep the shape by inserting it into the "pocket" inside the bag to support it without deformation and make it look sharper Safe Heel Clearance with PanniersBike panniers are shaped to prevent heel strike. The bottom of our waterproof panniers is slightly tapered - A 25 section at the front of the bag ensures adequate heel clearance on any frame and hits when pedaling not on the heel. In addition, our pannier offers a low center of gravity, which helps stability and makes it easier to control your bike Waterproof And Sturdy MaterialThis double rear pannier is made of durable 900-denier ripstop nylon that resists abrasion - and tear resistant, and comes with an additional rainproof cover for real downpours. In addition, the panniers are treated with PVC synthetic leather on the inside of the flap, which offers an additional water-repellent effect. It's hard to exhaust, whether you use it for world expeditions, cycling or lighter weekend trips Large Capacity Portable CastleThe 30L waterproof bike pannier bag can accommodate cycling gear. The rear pannier bag features 2 spacious main compartments, big enough for clothes, bike repair gear and many other items. Along with an external elastic pocket on each side (rear facing when mounted on the bike). This comes in handy when you want to take a bottle of water or an umbrella Bring One Pannier Solves EverythingDouble bike panniers make it easier to carry things that are too bulky/heavy for your bags or backpack. It has more advantages over shoulder bags and backpacks: no sweaty back, larger capacity, more convenient. Each rear bike bag includes high-visibility reflective strips on the back to help you travel safely, perfect for running errands or just everyday cycling storage needs All-Around Fixation Without BounceIt features an adjustable four-point attachment system , which securely attaches it to the rear of your bike. 2 additional magic bands are used to attach the support bars to keep the suitcase in place while driving. With 4 inserts (2 long, 2 short) to keep the shape by inserting it into the "pocket" inside the bag to support it without deformation and make it look sharper Safe Heel Clearance with PanniersBike panniers are shaped to prevent heel strike. The bottom of our waterproof panniers is slightly tapered - A 25 section at the front of the bag ensures adequate heel clearance on any frame and hits when pedaling not on the heel. In addition, our case offers a low center of gravity, which helps stability and makes it easier to control your bike