- PREMIUM QUALITY MATERIAL: Constructed from durable 500D waterproof fabric with a polyester lining and a removable PVC board as the inner frame, this bike trunk pannier is both tear-resistant and easy to clean. It effectively protects your belongings from harsh weather conditions. - SPACIOUS CAPACITY: Each side of the double pannier offers an impressive 18L capacity, with dimensions of 39.5 x 14.5 x 31.5 cm (15.5 x 5.7 x 12.4 inches). This ample space accommodates essential items like helmets, cycling clothes, phones, wallets, books, water bottles, repair tools, food, and more. - FUNCTIONAL DESIGN: The pannier features two main compartments with top covers and zip closures to keep your items secure and organized. It also includes a padded top handle for easy carrying. - SIMPLE INSTALLATION: The design incorporates four top fixing straps and two Magic Tape bottom straps. Installation is straightforward: attach the hanging hooks to your bike's rear rack and secure the straps to the rack and frame, making it compatible with most bike types. - PRACTICAL USE SCENARIOS: Ideal for daily commuting, weekend cycling trips, or lengthy bike tours, the pannier provides the storage you need for all your cycling essentials. Whether you're heading to work or on a long-distance ride, this bag ensures you have everything within reach and kept safe. This bike trunk pannier seamlessly combines functionality, durability, and convenience, making it an essential accessory for any cyclist.