Bicycle Saddle Bag Waterproof, Three-dimensional Shape Under Bicycle Saddle Bicycle Saddle Bag, Mountain Road Bicycle Riding Bag Features: Modeling design: three-dimensional modeling design, avoid personal items being squeezed to the greatest extent. Internal mesh compartment helps you organize storage items. Waterproof effect: The surface is treated with waterproof, waterproof zipper, and has a certain degree of waterproof effect. (Do not soak it in water) Night Visibility: Reflective tape around the seat bag, and the included reflective lights can be hung from the rear, making it easier to attract attention and enjoy a safer ride when riding at night. Large space - The three-dimensional structure creates greater storage capacity, ideal for storing daily necessities, cell phones, keys, small bike accessories, tire repair kits or multi-tools and more. Easy to install: Upgraded snaps and adjustable-length shoulder straps secure. Fits most car models and can be fastened and released easily. Specifications: Colour: Black Material: polyester Product size: 16.5X10.5X6cm/6.5x4.1x2.4 in Packing size: 20x11.5x8cm/7.9x4.5x3.1 in Product weight: 0.22KG/0.49 lbs Package weight: 0.24KG/0.53 lbs Package Contents: 1 x Bike bag 1 x Reflector Light