xtra Soft Gel MaterialOur bike seat cover padded is made of eco-friendly transparent gel and high density milky foam, which extra soft and comfortable, can help you enjoy your bicycle leisure time and far away from pain. reathableThe surface of exercise bike seat cushion is Lycra fabric, which can moisture absorption and breathable. The diversion groove design in the middle of bicycle seat cover can speed up the air circulation, keep the hips cool and dry. on-Slip&Easy to InstallWith the desin of anti-skid interior surface, which can keep it from shifting while in use. When install, just cross stick the velcro straps to the bottom of the saddle, which is better to prevent movement. it for Narrow Bike SeatsOur gel bike seat cover padded great for indoor and outdoor bike seat, such as Cruiser, exercise bike, spin bike and so on.(Note: This bike seat cover is not fit for wide bike seats, use for narrow bike seat width in the range of 5.5-7 inch) fter Sale Service always tries the best to give our all customers great service, so if you have any problems with this bicycle seat cover or , please email us via Amazon, and we'll reply to you within 24 hours.