Key Features Water-Resistant DesignHigh-frequency seamless welding keeps your essentials protected from rain and road spray. Stable Knob Fastening SystemQuick-lock buckle with an audible “click” ensures secure, shake-free mounting even on rough terrain. Easy to tighten or release with one hand. Dual-Purpose DesignSupports both gear storage and bottle carrying. Adjustable straps and limit bands keep bottles or items firmly in place without affecting riding. Rigid PP Support StructureBuilt-in PP board maintains a three-dimensional shape, preventing collapse and protecting stored items from pressure or impact. Organized InteriorMesh compartment keeps small essentials neatly arranged and easy to access. Durable & Wear-Resistant MaterialMade from thickened polyester for long-lasting use.