Waterproof Bike Bags: Explore our line of bike bags, including waterproof options, designed to keep your belongings dry in any weather condition, ensuring you ride hassle-free even in rain or wet conditions Trunk Mounting: Choose from our range of bike bags that mount securely on your bike's trunk, providing ample storage space for your gear while you ride, whether it's a long-distance tour or a short commute Durable Construction: Our bike bags are crafted with high-quality materials to offer durability and reliability for all your cycling adventures, ensuring they withstand the rigors of the road and keep your gear protected trip after trip Big Momma Bike Bag: This medium-sized rear rack trunk bag from BiKase offers durability and ample space for your belongings, featuring additional side pockets, a top inner mesh pocket, key holder, and reflective accents for enhanced visibility and safety, complete with convenient features like a top mesh pocket, side zipper pockets, a handle for easy carry, and front and bottom straps for attaching to the rack, making it an all-around great bag for your cycling adventures Tailored for E-Bike Enthusiasts: BiKase trunk bags seamlessly attach to rear racks, offering generous storage and reflective accents to enhance safety during electrifying rides About BiKase: Our company was born out of a desire to provide cyclists with well-designed products that address the needs of all types of riders; We delight in designing and producing practical accessories to make your ride experience better and more enjoyable Introducing the BiKase Big Momma Bike Bag – the ultimate solution for cyclists seeking a spacious and durable trunk bag for their rear bike rack. This medium-sized bag is a versatile companion for any ride, from daily commutes to adventurous weekend escapades. Engineered to fit universally on various bicycles, including ebikes, the Big Momma ensures your essentials are secure and organized, thanks to its top mesh pocket, side zipper pockets, and convenient key holder. The Big Momma isn't just about storage; it's designed with your safety in mind. Reflective accents on the side and rear enhance visibility in low-light conditions, making it an ideal choice for riders who prioritize safety without sacrificing style. The bag also features a sturdy handle for easy carry when off the bike, and front and bottom straps that provide a secure attachment to your bike rack. Plus, with a light holder, you can add additional illumination for those night rides. Cyclists will appreciate the thoughtful design of the Big Momma Bike Bag, including the additional bungee on top for those last-minute items and an insulated cooler bag option for keeping snacks and drinks at the perfect temperature. Whether you're looking for a waterproof bike bag to brave the elements or a bike rear rack bag that offers waterproof protection and ample storage, the Big Momma by BiKase is the answer. Make your next ride a breeze with this all-around great bike rack bag, designed to keep up with your lifestyle and provide the functionality you need on the road.