Why you need this bag Keeps gear dry and secure on rides where weather or road spray is a concern. Attaches firmly to your rear rack or carrier so you can carry essentials without worry. Provides large, organized storage for commuting, errands, or day trips. Key benefits Splash-proof protection: constructed to resist splashes and light rain so contents stay usable during wet conditions. Improved waterproofing: a carbon-text sleeve enhances water resistance around the main compartment to reduce water ingress. Durable, weather-resistant zippers: water-resistant pressure fish zippers help block moisture while allowing smooth opening and closing. Rock-solid attachment: three extended hook-and-fastener straps on the base secure the bag to the carrier or back seat and prevent shifting or loosening while riding. Large capacity: designed to hold essential gear for outdoor trips, commutes, or shopping without taking excess space. Materials and performance Sturdy construction for everyday use and variable weather conditions. Water-resistant components (sleeve and pressure fish zippers) for added protection against rain and road splash. Reinforced fastening system to maintain a stable carry even on uneven roads. Compatibility and fit Multi-function bike cargo bag intended for mounting on a rear rack, carrier, or back seat. Universal strap system with three extended hook-and-fastener straps accommodates most standard bike racks and carriers. Typical use scenarios Commuting: carry a change of clothes, laptop sleeve, and lunch securely between home and work even in wet weather. Day rides and short touring: store tools, a lightweight jacket, snacks, and a first-aid kit in one accessible bag. Errands and shopping: use the large-capacity design to transport groceries or small purchases without needing extra bags. What to expect A robust, multi-function bike suitcase bag that combines splash-proof construction, a carbon-text sleeve for enhanced water resistance, water-resistant pressure fish zippers, and three secure base straps to keep your load stable and dry on the move.