The bicycle seat cover is made of durable waterproof PVC, which is of high quality and keeps the seat dry and clean in the rain. And our bike seat covers are seamless, so rain doesn't seep through the seams.EASY TO USE: This bicycle saddle bag is easy to put on and take off, just wrap the saddle around the saddle and take it off when you plan to ride.Fits Most Bicycle Seats: Thanks to its expandable material, this waterproof bicycle saddle fits all bicycle saddles, from narrow to large, such as regular bikes, mountain bikes and kids bikes. The elastic edge will stretch over the seat and stay in place nicely.MORE BENEFITS: Not only does it help keep your saddles dry, it also keeps them from getting scratched or dirty.Quantity: 3pcs Black Waterproof Bicycle Saddle Covers are included.Size: 27 length 22 width 8 height CMThe bicycle seat cover is made of durable waterproof PVC, which is of high quality and keeps the seat dry and clean in the rain. And our bike seat covers are seamless, so rain doesn't seep through the seams.EASY TO USE: This bicycle saddle bag is easy to put on and take off, just wrap the saddle around the saddle and take it off when you plan to ride.Fits Most Bicycle Seats: Thanks to its expandable material, this waterproof bicycle saddle fits all bicycle saddles, from narrow to large, such as regular bikes, mountain bikes and kids bikes. The elastic edge will stretch over the seat and stay in place nicely.MORE BENEFITS: Not only does it help keep your saddles dry, it also keeps them from getting scratched or dirty.Quantity: 3pcs Black Waterproof Bicycle Saddle Covers are included.Size: 27 length 22 width 8 height CM