7-layer thickened seat cover - Multi-layer sponge + silicone layer, soothing shock absorption, riding is not distressed. gel seat saddle will help you get rid of pain while cycling and enjoy longer rides on your bike, the dimension of the gel seat saddle is 28cm*16cmComfortable Long-Distance Riding --- The thickened bicycle seat cover contains soft silica gel and high-density foam, helps reduce muscle fatigue and protects the buttocks from injury during long-distance riding, and provides a comfortable driving experienceSuperior Material --- The surface of the cushion adapts to a non-slip and wear-resistant elastic lycra material, which ensures the durability of the cushion and prevents slipping when rolling. It also has non-slip plastic particles attaching to the underside, which effectively prevents the cushion from moving while drivingErgonomic Design --- The item adapts 3D stereo shape with fluted patterns, eliminating pressure points and buffering pressure on sensitive areas. And its easy to put on and take off without any tools and convenient to rinse off, dries quickly and retains its shape after cleaning