This large and heavy-duty seat cushion is very comfortable to sit, and the inner part of the thigh line is very good, small friction. In the hollow lower part of the design of the vent, the effective crotch to reduce temperature. It fits the ergonomic design and it really performs daily use. Feature - - Material: PU Leather and Metal - Size: 25x20x9cm/9.8x7.9x3.5inch - High Elasticity:The seat is made of PU leather, steel and sponge, soft, resistance abrasion. - Ergonomic Design: The rounded raised rear seat provides a very stretch for comfortably supporting the buttocks, which can reduce the pressure of the prostate and ischial parts - Easy Installation: Easy to mount, anti-slip gripping material is on underside of bike seat cover, it will not easy to during your riding. - Enjoy longer riding: The hollow core and cutout saddle makes you more relax even you have ridden for a long time. Package list: 1 x Saddle Cushion(Black and Red)