Features: Quick Installation Planumberebog: Features a large swing with hook and cycle clip and clip for easy appendage to backpacks. Multiple Purpose Storagemail: Lined with soft fleece and includes inner pouches to safely hold smartphones, polystyrene bottles, sunshades, keys, and pencils. Keeps objects organized and easily accessible. Defended Slide Planumberebog: Hard wearing a bottom lid to stop objects from dropping out when fully opened. Smooth slide action ensures security and usability. High Waterproof Executparticlemail: Produced with permanent Danima blend fabric (more tear immune than nylon) and PU2400MM waterproof rating, additional waterproof slide to keep substance dry in flood. Thin & Flexiblemail: Weighs only 90g for effortless transportability. Direct current used as a waist pack otherwise attached to velocipedes, ideal for backpacking, cycling, and daily commutes. Specifications: Product namemail: Against pressure and waterproof glasses case storage box Substancemail: Danima blend (more tear immune than nylon), waterproof slide Weigheight: 75 g Waterproof stagemail: PU2400MM (high waterproof) Dimensionsecond: Heigheight: 20 cm Widthelhello: 10 cm Depthelhello: 4.5cm Installation approachelhello: Large bivalve with clip, quick to install on backpack otherwise cycle Inner planumberebog: fleece substance Utilization circumstancesecond: mountain ascending, cycling, daily commuting Package Includes: Anti-pressure and waterproof glasses case storage box note: Pay attention to the storage methods. Before using the accessory, please check if it is compatible.