Strap-on Saddle bag with 3M ScotchliteTM reflective trimming, enhancing visibility and safety in low light and at night. Velcro straps quickly attach to the seat and seat post. Perfect for wallets, keys, tools, tire levers, patch kits and other small items. Medium and Large saddle bags are expandable for added capacity. Taillight hangers for additional safety lights and attaching larger tools (ex. pumps). Size: Small. Dimensions: 6 in x 3.5 in x 3 in. Capacity: 0.4 L. Weight: 3 oz.