Abundant capacity 3L interior provides ample room for essentials. Keeps your phone, wallet, keys, snacks, and tools within easy reach during rides. Reliable construction Rigid, sturdy shell maintains its shape even when empty, protecting contents and ensuring secure storage. Reflective visibility Reflective strips enhance safety at night by increasing visibility to other road users. Includes a removable shoulder strap for versatile carrying options. Waterproof function Made from high-density waterproof fabric with glued seamless seams, offering reliable protection from rain and splashes. Use scenarios - Daily urban commuting: Reach for your essentials quickly while riding to work or running errands. The 3L space holds daily necessities, and the shape stays intact whether full or empty. - Weekend rides or bike touring: Pack snacks, tools, and small items without overloading the bag. The rigid construction helps keep items secure on bumpy roads, and the waterproof fabric protects them from weather. - Night or low-light rides: Reflective strips improve visibility to other road users, helping to increase safety during early morning or late evening rides. The removable shoulder strap adds convenient carrying options when off the bike.