Quality Assurance Gel Bike Seat Cover is made of Lycra fabric, 250 grams of thick silicone and polyurethane foam, the bottom is wear-resistant and non-slip material, and the sides are high-quality black PK cloth, which relieves most of the pressure generated during riding. Prevent saddle sores and pain caused by cycling. . Safe and firm The reflective strip on the back of the Bicycle Saddle with reflective strip for night riding improves visibility at night and makes night riding safer. The bicycle seat cover can be fixed in place with simple installation steps. The bottom surface of the particle is non-slip design, and the strap is reinforced to prevent displacement. . Comfortable design Bike Saddle Covers conform to the ergonomic concave-convex design, which increases the comfort of the seat cushion and makes riding more fit and comfortable. The high-elasticity and breathable Lycra fabric reduces the stuffiness of riding and is good for health. . Super gift Gel seat cushion for bike. Extra seat cover is delivered, it can prevent rain, sun and dust. No longer have to worry about getting dirty, getting wet, or exposed to the sun to protect the seat from damage. . Easy to install Lycra material will not tear, wipe off or get dirty. The non-slip bottom surface, drawstring and side straps secure it firmly. Please measure your bicycle seat before buying (seat cushion: 27 x 18 .cm),Mountain Bike Road Bike, Fits most narrow bicycle seats .