Flexzion Bicycle Seat Cover Cushion Pad Soft Sponge Thick Gel Relief Bike Cycling Saddle Accessory with Straight Groove for Comforable Riding and Stationary in Black Durable and comfortable, concave design. Gel cushion to absorb shock and soften your ride Interlayer fill with soft Sponge, comfortable Put it over your existing seat, cinch it up, and hop-on Anti-slipping lining with adjustable drawstring. Glue points to ensure no slip Best choice for long-distance riding. Suit for mountain road bike