[Durable high quality materials] - Waterproof inside, easy to clean. Fabric with soft padding ensures maximum protection, reducing shock when driving on the road. Reflective elements for improved vision and safe driving at night. [It Is Well Insulated] - The insulated lining will keep your drink cold or warm for hours. Keeps drinks very cold for hours with an ice pack. Allows you to enjoy the coolness on long journeys. It will also keep your lunch warm in cold weather. [Easy installation] - Adjustable fastening straps for assembly and disassembly. It is universal for all types of bicycles with a rear seat, such as mountain bikes, racing bikes, etc., and also fits most bike carriers. [Create More Space] - 1) Elastic bungee cord on the top to keep your clothes, rain jacket or cards securely on your pocket. 2) The open back pocket with elastic band keeps your water bottle in place. Or keep other things like repair tools, small air pump, etc. [More than just a bicycle pannier bag] - With a comfortable shoulder strap offers optimal comfort. Shoulder bag or normal bag. With this light and easily portable backpack, you are perfectly equipped for your outdoor activities such as traveling, hiking and mountaineering. ASIN B08M96C5PL Size small Color Blue Pattern Solid Brand Name Lixada Shell Type Soft Strap Type Adjustable, Removable Style Name Trunk, Outdoor, Cycling Handle Type Web Handle Item Weight 325 Grams Closure Type Zipper Manufacturer Lixada Material Type Polyester Mounting Type Seat Mount Automotive Fit Type Universal Fit Manufacturer Part Number Lixada Item Dimensions L x W x H 11.42 L x 6.3 W x 6.69 H Compatible with Vehicle Type Bicycle