Certification:CeMaterial:PolysterIs_customized:YesFunction:OtherCertification:CeType::Bicycle storage bagMount position:FrameColor:6 colors for order optionSize::One sizeStructure::1 pocketCriteria::Qb/t1333Packing:PolybagOrigin:Made in china (mainland)Stock location:Shanghai, china Bonus portable mini bike tire pump lightweight and ready to get you back on the road.?Multifunction?Not only can be used as bike rack bag , but also a stylish commuter bag with a shoulder strap,or a handbag as well(shoulder strap included). Thanksgiving ,Christmas or Birthday gift for your lover, families or friends.Dimension of this bike bag:? 1 main compartment has capacity to keep your clothes, books or other daily necessities. 6 small multifunctional pockets can store your carry-on items while you’re riding, such as your phone, phone charger, wallet, cable, earphone, map and so on.Made of waterproof and durable polyester material, effectively prevent rain, water, mud, dust from entering this bag quickly.Waterproof Material with Extra Rain Cover. High density reinforced polyester with PU coating. A variety of details designed to better meet the outdoor needs of bike panniers bag. Anti sludge, waterproof and rainproof.Easy To Install & Stay In Place: Go straight across or crisscross the solid straps make the bike trunk to fix your bike rack firmly. Suitable trunk bag for mountain bikes, road bikes, leisure bikes, ebikes, etc.