ROCKBROS Bike Saddle Bag with Bottle Holder Brand ROCKBROS Condition New Material PU composite material Weight Approximately 180g Dimensions Approximately 21 x 11 x 8.5 cm Capacity Approximately 1L Note The diameter of the water bottle must be less than 7 cm. ROCKBROS Bike Saddle Bag with Bottle Holder for MTB, Road Bike, Folding Bike, Black, Approximately 1L Brand: ROCKBROS Material: PU composite material Color: Black Dimensions: Approximately 21 * 11 * 8.5 cm Capacity: Approximately 1L Weight: Approximately 180g With a bottle pocket Note: The bottle is not included in the package. 2 POCKETS Provides enough space for your phone, tools, mini - pump, water bottle, etc. WATERPROOF MATERIAL Protects your valuables from water, dirt, and dust. REFLECTIVE The reflective strips increase safety when riding at night. DETACHABLE With the quick - release buckle and Velcro straps, you can quickly attach and remove the bike bag.