Compatibility: Himiway A7;A7 Pro;D3;D3 ST;D5;D5 ST;D5 Plus;D5 Ultra;D5 Pro;D5 ST Pro;Rambler;Escape Pro;A3;B3 Description: This Bike Trunk Bag is composed of non-woven fabric and waterproof zippers, making it wear- and dirt-resistant while cycling. It also features a revolutionary design with built-in aluminum foil insulation, allowing you to store hot and cold drinks for up to 5 hours. [Large Capacity] This bicycle trunk bag has plenty of room for storing your bike tools, a change of clothes, and a few other necessities. [Humanized Design] The main compartment is padded all around to make your belongings well-protected. [Easy to Install] With velcro quick release design, can be easily and securely mounted on all types of bikes. [Security Protection] Reflective strips on both side panniers to ensure your safety in the dark. Specs: Dimensions:13.8*10.2*7.1 inches Gear capacity:10L~25L Mounting: Rear Rack