Large-capacity, waterproof rear saddle bag for e-bikes, road bikes and mountain bikes Why you need it Keeps gear dry and organized: the waterproof material protects clothing, tools and other essentials during rainy rides. Improves safety: reflective panels increase side and rear visibility so you are more noticeable to motorists in low light. Frees your pockets and frame: large capacity and side pockets let you carry everything needed for commuting, training or day trips without clutter. Key benefits and problem solved Weather protection: waterproof construction prevents water damage to electronics, spare layers and tools. Durable construction: wear- and scratch-resistant material stands up to regular use and rough conditions. Quick access + secure closure: a U-shaped double-opening cover gives easy access to items; an elastic drawcord buckle keeps the flap closed and contents secure while riding. Extra storage: pockets on both sides add room for small items you need within reach. Features at a glance Large-capacity main compartment for clothing, tools and other essentials Waterproof outer material to keep contents dry Reflective design for enhanced visibility in low-light situations Wear- and scratch-resistant material for long-term durability U-shaped double-opening cover for convenient access Elastic drawcord buckle to secure the bag Side pockets on both sides for additional storage Designed to mount to the rear saddle; compatible with e-bikes, road bikes and mountain bikes Typical use scenarios Commuting: carry a change of clothes, rain layer and small tools for dependable protection on wet rides to work. Weekend road rides: store spare tubes, multi-tool, energy bars and a lightweight jacket in an organized, easy-to-reach pack. Trail or mountain rides: keep tools, first-aid items and extra layers securely stowed and visible to other road users when returning on roads at dusk. Compatibility and fit Designed for rear saddle mounting and compatible with e-bikes, racing bikes and mountain bikes. Easy to attach and shaped to integrate smoothly with your bike setup.