Our printed and textured fabric mobile arm cover comes in many on trend nursery colors including pink stripe, blue stripe and gray chevron, and one will go with most any DIY baby crib mobile projects and nursery decor. Fabric sheath will completely cover the mobile armature, making it an attractive part of your nursery decor. Fabric cover simply slides over the armature. Cover measures 39.5 inches and is designed to be used with mobile arms 39 inches long or less. Quality fabric. Includes fabric cover only, not the mobile arm / armature. Need a swatch before you buy? Just send us a message! Please note: the Gray Chevron color has some leanings towards a super light blue cast. Please ask for a swatch if you are unsure.