Always within reach, the minimalist lightweight zip pocket holds tube, money and keys. Velcro fastener to fix the bag to the saddle stays reflective 3M prints durable, washable outer material on the underside Disclaimer: Sand, dust and incorrectly packed bags can make the paint in contact areas become dull or scratched over time. To avoid any chafing, you can protect the frame or rack with foam inserts or protective film before attaching bags or panniers.