BTLATHA Waterproof Bike Panniers Bag,28L Large Capacity Bicycle Rear Rack Bags with Quick-Release System & Reflective Strips, 500D Heavy Duty Pannier for Commuting Cycling Traveling Touring - 2PC

["QUICK-RELEASE MOUNTING SYSTEM:Equipped with a three-point attachment and 360° rotatable buckle quick-release system, ensuring secure mounting and easy one-handed operation. Compatible with most bicycle rear racks, it eliminates the frustration of complicated straps and unstable fittings.","DOUBLE-LAYER WATERPROOF PROTECTION:Constructed with 500D heavy-duty waterproof fabric (PVC laminated), 15% lighter yet more durable than standard 1000D materials. Featuring a roll-top main compartment and front zippered dry pocket, your gear stays bone-dry even in heavy rain.","28L LARGE CAPACITY & STURDY STRUCTURE:28L spacious design (25L when folded) provides ample storage for groceries, laptops, and touring gear. The built-in rigid support panel prevents the bag from sagging or getting caught in the spokes, a common flaw in soft-sided panniers.","360° ENHANCED NIGHT VISIBILITY:High-reflective strips on both sides and a reflective logo ensure visibility up to 30 meters under headlights. This essential safety feature provides peace of mind during dawn, dusk, and nighttime rides.","VERSATILE FOR MULTI-SCENARIO USE:Designed for commuting, shopping, and long-distance touring. Includes dual top handles and a shoulder strap for easy off-bike carrying. Ideal for cyclists, commuters, and outdoor enthusiasts seeking a reliable storage solution."]