【Durable Construction】Made with EVA carbon fiber textured PP board, this bike saddle bag offers excellent wear resistance and shape retention, ensuring long-lasting performance. 【Safety Features】Equipped with a rubber strap for attaching a taillight, enhancing visibility and safety during night rides. 【Accordion Design】Features an accordion-style opening to prevent items from falling out when the zipper is opened, providing peace of mind while accessing your belongings. 【Convenient Access】Side pockets allow for easy retrieval of frequently used items such as phones and wallets without opening the main compartment. 【Ample Storage】With a 1.5L capacity, this saddle bag meets daily cycling needs while maintaining a compact profile. 【Secure Mounting】Includes a seat post bracket with screws for a stable and firm attachment, preventing unwanted movement during rides. 【Quick Release】Easy to detach and carry with you, deterring theft and allowing you to take your belongings wherever you go. Specifications: Model: B59 Material: EVA carbon fiber textured PP board Weight: Approximately 174g (including bracket) Capacity: 1.5L