Size: 35*27*19 cm<br />Weight:893g<br />Material:Polyester<br />Capacity:9L ，after extended about:25L<br />Color:black，blue，pink，red<br /> Features :<br />Quick release system， easily be fixed with seatposts<br />Reflective strap to keep cycling safe<br />Pockets on each side can stretch and extend，larger capacity<br />Adjustable <br />2 PE Board inside the bag<br />Packing:1pcs