Excellent Gel Material: minimize fatigue in your ride and enjoy longer riding. Common Dimension: This gel seat saddle size is 11* 7 inch. so it perfectly fit for most mounting and outdoor bike. It is actually your good partner in cycling trip. Easy to Mount: Simple and effective drawstring with keep the cover in place! The bike seat also fit for Spins Class and Indoor Cycling. Please confirm this bike seat cushion can fit your original bike seat before ordering. Buy Without Worry: Each "Eltin" Goods comes with a 12-month warranty and 100% Return and replacement service guarantee(and if it is not damaged by human factors). If you have any dissatisfaction, please email to us, We will do our best to you Solve the problem and Provide satisfactory service.