Allnice Outdoor Thick Comfort Gel Bicycle Bike Cycling Universal Seat Saddle for Mountain MTB Folding Bike Road Bike (All Black) PU leather material, high quality steel and sponge, soft, resistance abrasion. Fashion and streamlined bicycle saddle design,Streamlined stomatal design to guide air flow, cool and breathable. This bike seat is very easy installation and suitable for all kinds of bike .The size of it is 27.5*13*7cm/10.8*5.4in, narrower seat can increase your speed and relieves pressure on sensitive areas. Light weight,The sort cushion make you comfortable for long time cycling. Suitable for all kind of bikes,such as mountain bike, road bike,folding bike,MTB,BMX.