The body of the bag is three-dimensional, with aerodynamic design, low wind resistance, and no burden for riding. Wind-breaking Shape: Designed with a wind-breaking shape to prevents interference with the 's legs and reduce wind resistance. and Wear-: Features internal hardshell support for a three-dimensional and sturdy structure, and with a net weight of about 152g. Specifications: Item size: 220 x 58 x 55mm / 8.7 x 2.3 x 2.2in Item weight: 152g / 5.4ounce Color:Black Material: Polyester Package Contents: 1 x Bike Frame Bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.