WHAT YOU NEED: The requirements for the seat cushion are higher especially for long-distance cycling and professional riders. Because the road conditions of cross-country vehicles are mostly rugged mountain roads, undulating roads or filled with various obstacles designed by professional site. To ensure a more flexible and comfortable to drive, a new material airbag cushion becomes necessary. PRESSURE RELIEF: Our ergonomic seat pad uses a mosaic of small cushions that can be filled with either air or water. The air convection technology produced and anti-gravity effect which offers support for your spine, thigh and hip.To achieve the effect of shock absorption and stress relief as well as ensures long-term ride comfort. COOL DOWN TECHNOLOGY: With shallow groove and the 3D airbags' gap design, this seat cushion can achieve excellent ventilation effect. This structure reduces the heat transfer between the legs, the buttocks, and the seat to help you cool down and dispense heat. Also, this seat cushion is water-fillable which is ideal for long-distance driving/sedentary people, keep you away from sweat. PREMIUM MATERIAL: Lycra diving elastic fabric feels delicate and soft, greatly improves the feel of the cushion and the recovery of crease. It's of high rebound, no deformation and can be repeatedly washed. And TPU fabric has outstanding load-bearing capacity, impact resistance as well as shock absorption. SUPER PRACTICAL: To make the cushion stay where you want, we used anti-skid particles and double-bandage fixation. The bandages adopt a cross-wrapping method to take care of the shape of the seat, which makes the seat fit the seat cushion better. The bottom of the cushion is also designed with unique anti-slip particles. More restraint, more stable. Delivery Quantity: 1pcs Product color: black Product size: 35*38cm