This water-resistant bike trunk bag with water-resistant insulated lining,offers good temperature retention,keeps food and drink warm for hours,or keep cool with some ice cubes,which provides more convenience during your riding trip! Features: Made of water-resistant PU material and water-resistant zippers,practical and durable. Large capacity Features on a thermal insulation compartment,a top zipper pocket and adjustable elastic cords. Water-resistant insulated lining offers good temperature retention,keeps food and drink warm for hours,or keep cool with some ice cubes. Reflective straps provide more safety when riding at night. Convenient tail light loop to easily hang your tail light. Adhesive fastener straps on the bottom provide more stable during cycling. Specification: Material: PU Size: 32 * 20 * 21 cm / 12.6 * 7.9 * 8.3 in Package weight: Approx. 310 g / 10.9 oz Package List: 1* Bike Bag