Fiber EVA composite material, durable to use

Designs with waterproof zipper, good waterproof performance

Rear lights can be installed in the tail of the bag

The main pocket can be used for holding small objects, such as screwdriver, key, tool, power bank etc

Release buckle + velcro closure, can be fixed on the seat post

Reflective stripe, safe for riding at night

Size: 18 x 9 x 10.5cm