Features1Made of water-resistant PUmaterial and zippers,durable and practical. 27L capacity features on a main compartment,a zipper pocket and adjustable elastic cords. 3Safe reflective straps around the bag,ensures your safety when riding at night. 4Durable fastener straps attaching on the bike and thin protective PE foam for interior,provides more stable during Cycle. (NOTE: Pleaseadd some conservation for valuables.) 5Equipped with a rain cover,protects from dirt,sand,water,rain and snow.SpecificationThis 7L Bike Trunk Bag with ergonomic design provides more convenience during your riding trip! Features:Made of water-resistant PU material and zippers,durable and practical. 7L capacity features on a main compartment,a zipper pocket and adjustable elastic cords. Safe reflective straps around the bag,ensures your safety when riding at night. Durable fastener straps attaching on the bike and thin protective PE foam for interior,provides more stable during Cycle. (NOTE: Pleaseadd some conservation for valuables.) Equipped with a rain cover,protects from dirt,sand,water,rain and snow. Specification:Color: 7012# PU Black / 7009# PU Black / 7009# PU Red / 7009# PU Blue / 7009# PU Yellow / 7009# PU Grey / 7009# Polyester Black (optional) Material: PU + Foam Size: 29.5 * 16.5 * 12 cm / 11.6 * 6.5 * 4.7 in Package weight: Approx. 300 g / 10.6 oz Package List:1* Rack Bag 1* Rain CoverPackage List1* Rack Bag 1* Rain Cover