Super Sweat Absorption: Dual-layer design effectively absorb sweat to protect bike frame from sweat coorosion, never worry about that the sweat will rust the bike screws and the floor. Bike Trainer Sweat Catcher designed for the indoor training,lightweight design for easy storage. Easy to Use: Front strap and elastic loop which around the seat make it very easy to mount,fits most road and mountain bikes. Adjustable Sweat GuardIt,this is a good maintain accessory to keep your bike clean. For long term usage we recommend wash by hand in warm water below 40 degrees. Specification: Material: Fabric Size: approx. 58 x 23cm/22.83 x 9.06inch Package Includes: 1 Piece Bicycle Trainer Sweat Net Frame(2 Pack) Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!