The combination of gel and foam makes it soft and elastic, which brings a better experience. The surface is made of high-quality fabric to make it wear-resistant Damage and extend service life HOLLOW BREATHABLE DESIGN - The surface of the bicycle seat cushion is made of high-quality fabric to make it more comfortable and durable, and greatly extend the service life. The hollow design of the bicycle seat cover accelerates air circulation, keeps the hips cool and dry, and makes you feel less stressed during riding NON-SLIP & EASY TO INSTALL DESIGN - The bottom has a special bump design and a drawstring to prevent slipping and fixing. Easy to install, does not require any other tools, fixes the bicycle seat cover in place, and then pulls and secures the drawstring for normal use, very simple WIDE GEL BIKE SEAT COVER - Cushion covers are suitable for all kinds of indoor exercise bikes, spin bikes, cruisers, etc. The size of the bicycle cushion is (11.82 x 10.83 x 2 inches). It is suitable for the width of the bicycle seat in the range of 8.5-10 inches. Or you only have to return the product for a full refund. It is suitable for the width of the bicycle seat in the range of 8.5-10 inches. Before purchasing, please measure the size of the bicycle seat and confirm whether the bicycle seat cover meets your requirements. Avoid ordering a cushion cover of an unsuitable size..