HIGH-ELASTIC MEMORY SPONGE - It feels gentle and soft with perfect properties such as impact absorption, vibration reduction and low force release, comprehensive pore structure ensures appropriate warm-keeping performance in cold winter and significantly cooler than ordinary sponge in hot summer with strong absorption and of keeping cleanliness.HOLLOW VENTILATION DESIGN - The bicycle with ventilation holes can not only reduce the pressure on parts, also maintain ventilation during , so as to enjoy a more comfortable experience.INNOVATIVE 5-ZONE-CONCEPT - This mountain bike has concept zones, ergonomically designed, not easy to , so that you will not feel of , and more humane and practical than ordinary bicycle saddles.EASY TO INSTALL AND WIDELY USED - This bicycle seats for comfort men is easy to install and remove, and is widely used in mountain bikes, road bikes, trekking bikes, bikes and so onHigh Wear-resistant and durability.size: 280 x 135 x 65mm: PVC+memory foam foamcolour: blackPackage Contents:1 x bike 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.