Whether you're commuting to work, cycling around town, or camping in the great outdoors, our multifunctional pannier bag is the perfect companion. It's compatible with most bike racks, including regular bikes, mountain bikes, e-bikes, and more. Features: Our bike trunk bag is made of waterproof EVA and leather, with a fully waterproof double zipper to keep your belongings safe and dry. The large capacity main compartment and mesh pockets inside provide ample storage space for your phone, wallet, books, water bottles, tools, food, and more. Come with a handle and adjustable shoulder strap for easy carrying. The top elastic drawstring can also help you tie a lot of items, like a bike pump, umbrella, clothes, and more. The side water bottle bag makes it convenient for you to drink water at any time during the ride. Specifications: Material: EVA, leather. Size: 38.5*19.5*16cm / 15.2*7.7*6.3in (bike rack bag); 27*26*7cm / 10.6*10.2*2.8in (side bag) Package size: 45*24*9cm / 17.7*9.4*3.5in Package weight: 950g / 33.5oz Package list: 1 * Bike Rear Seat Bag 2 * Side Bags