This crib mobile arm holder is made of that is durable and practical for crib supply. Made of plastic material, don't have to worry about the safety. With this crib bracket, you can attach anything you like to your Easy to install and use, no tools required. Features Note: there might be some color variation -Color:White -Material:Plastic -Size:61.00X12.00X8.00cm/23.97X4.72X3.14in - Easy to install and use, no tools required. Adjustable can meet your more using needs. - Durable and , perfect for daily use. Compact and lightweight, easy to carry and store. - Well-made of premium and sturdy plastic materials, and practical for using time. - A crib mobile bed bell rack holder for crib for showing funny and interesting things - The crib mobile arm bracket replacement is sturdy arm easily attaches to any crib Package list: 1 x crib mobile arm