WMAWJBT Bike Rear Rack Bag with Hard Shell Bike Bag with Shoulder Strap Ebike Accessories Bicycle Accessories Bike Panniers with Waterproof Cover for Cycling Camping Travel (Expandable bag, 9L-20L)

["[EXPANDABLE LARGE CAPACITY & VERSATILE STORAGE] This bike rear rack bag features an extra-large main compartment with external dimensions of 12.2in*11.42in*9.06in, while the expandable side pockets provide additional space measuring 9.84in*14.96in*1.97in. The top elastic strap and mesh pouch securely hold helmets and other riding gear, and a built-in water bottle pocket ensures easy access during rides.","[PREMIUM HARD SHELL & FULL WATERPROOF PROTECTION] Constructed with high-quality PU and EVA material, this bike bag offers outstanding sturdiness and shape retention without collapsing. The water-resistant hard shell effectively repels light rain, and the included waterproof rain cover provides full protection in heavy downpours, keeping your belongings safe and dry in all weather conditions.","[INSULATED FOIL LINING FOR SHORT-TERM TEMPERATURE CONTROL] Designed with an inner aluminum foil lining, this bike rack bag delivers reliable short-term insulation to keep food, drinks, and snacks warm or cool during outdoor rides. Whether you’re heading out for a picnic or camping trip, this insulated function adds great convenience and practicality to your journey.","[ENHANCED SAFETY & EASY, SECURE INSTALLATION] Built with multiple reflective strips to improve visibility during night riding, this bike bag greatly enhances your safety on the road. Equipped with strong, durable velcro straps, it installs quickly and firmly onto most bicycle rear racks without tools. It fits a wide range of bikes, including standard bicycles, e-bikes, mountain bikes, and road bikes.","[MULTIFUNCTIONAL DESIGN FOR ALL-AROUND USE] This versatile bike bag comes with a sturdy handle and an adjustable shoulder strap, allowing it to be used as a rear rack bag, handbag, or shoulder bag. Its durable construction, large capacity, insulation, and waterproof performance make it ideal for cycling, camping, traveling, picnicking, and daily commuting — your reliable companion for every outdoor adventure."]