Features： 1、Ergonomic Design: This bike seat adopts ergonomic design, which makes riding more comfortable and not tired after sitting for a long time. 2、Breathable: This cushion adopts hollow design, and the airflow flows out from the middle of the cushion, which is breathable and not stuffy. 3、Waterproof: The wrapping layer of this bike saddle is made of high toughness leather, which is waterproof and wear resistant. 4、Anti Slip: The saddle surface is provided with anti slip dots, which can effectively increase friction and keep stable without displacement. 5、High Elasticity: This bike cushion is near at hand, comfortable to touch, polyurethane foam, soft and high elasticity, easy to ride. Specification： Item Type: Bike Seat Material: Sponge, Silicone Gross Weight: 577g / 20.4oz Product Style: soft silicone (hollow) black Product Size: Approx.160 x 275mm / 6.3 x 10.8in Package List： 1 x Bike Seat