rockbros bike bag waterproof reflective SAMEBIKE and durable PA + PP

and durable PA + PP + acrylic construction

Dip the heart rate band with a small amount of water before wearing it

Thanks for your understanding

Improved safety in various weather conditions

rockbros bike bag waterproof reflective SAMEBIKE and durable PA + PPSPECIFICATIONS is_customized: Yes Weight: : style 1: about 540g,style 2: about 556g Style: 2 styles Origin: Mainland China Name: ROCKBROS Bike Big Rear Bag Carrier Package Model Number: AS 01 Material: nylon Material: 600 g nylon + TPU waterproof coating Function: Foldable Function: IPX7 Waterproof,Stable,Reflective,Big capacity Features 2: Reflective strap to keep cycling safe Features 1: Quick release system, easily be fixed with seatposts Capacity: