1. Wide compatibility: there are three sizes: cross trainer for home (87 x 51 x 153/140 x 64 x 165 cm/181 x 74 x 165 cm), suitable for different sizes of cross trainers. Fits most elliptical cross trainers/fitness equipment. (Please measure the size of your cross trainer before purchasing.) 2. and waterproof: this is the difference between our home and other homes. We have two materials to meet your requirements. This cross trainer cover is made of 210D/420D Oxford fabric and is coated with a waterproof PU layer. If you only use them indoors, you can choose 210D. If you want a costeffective model, choose 420D 3. Excellent windproof: our elliptical training equipment cover has many good designs: adjustable, windproof drawstring at the bottom, which can firmly fix the elliptical trainer, prevents it from being blown away by strong winds. 4. Quick installation: zip on the side for easy carrying. Open the zip and cover the cover of your cross trainer. Pull up the zip and tighten the drawstring at the bottom so that the cover fits better on the cross trainer