Size: 50mm in outside diameter,22mm in wide. Flexible hanger hooks enable you to place and take down from your clothes rack/rod easily. It can help you firmly fix the hanger on the clothes rod, effectively your hangers from slipping and falling in - days-. It can not only be used in the clothes rack in your closet to avoid -, and overlapping of different clothes. Also applicable in the outdoor clothes rack/rod to make your hanger windproof and anti-slip, and maintain a fixed - between clothes for easily drying.