Come with the ergonomic shaped, our product is comfortable to use while it is compatible with most of bike. And it can absorb impact because the design of hard bottom shell. Equipped with chromium-molybdenum steel guide, sturdy and wear-resistant, while also reducing resistance. And with good resilience and softness, it is comfortable to use. It is delicate and breathable because of the embossed texture on the surface and good waterproof performance. It is made from microfiber faux leather,eva,steel, is durable to use. The length of the product is 25.8 cm, the width is 12 cm. Our product is suitable for mountain bikes and road bikes. Item Name: Bike Seat Material: Steel,EVA,Microfiber Faux Leather Features: Extra Soft, Install Easily, Breathable Bearing Weight: 120kg Size Details: 25.8cm x 12cm/10.16" x 4.72" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Bike Seat