?COMFORTABLE & BREATHABLE: ROCK BROS Comfort bike seat padded with thicken high-density memory foam, good elastic and very soft, not only protect the buttocks well but also make you feeling comfortable during cycling.Whatàmore, Plus hollow design in the middle make it more breathable | ? DUAL SHOCK ABSORBING: In order to achieve better shockproof effect,there are two rubber balls placed under the bicycle seat ensure absorbing the shocks coming from the bumps, potholes or any difficult terrain you are riding on | ? WATERPROOF & ANTI-SLIP: The surface PU material is effectively waterproof, no need to worry about the internal foam being damp, wear-resistant texture PVC leather make it more durable.Besides, the surface of the bike cushion is designed with dense dots to increase friction and anti-slip | ? SAFER HUMANIZED DESIGN: Our bike seat deign with lengthen and widen bright reflective strip for safer ridding at night,Safety handle behind the seat can be safe to hold when take your friend together.In addition, you can easily grab it when you bring up your bike | ? UNIVERSAL FITS ALMOST BIKES: This bike seat fit for almost standard bike, such as mountain bike, road bikes, folding bike, bmx, electric bike and so on.Itàalso easy to install, which includes standard mounting wrench tools, bike seat rail clamp can be mounted on any standard seat post, dual-track or clamp tube easily,prefect for men, women, boys, girls, kids, everyone