These hangers for baby clothes are made of stable plastic. They are sturdy and you can hang up your baby's pants and shirts together as one outfit. The hangers don't have a strong chemical smell or industrial residual smell. The dimension is 10.2 inches (L) x 6 inches (H), suitable for closet bar diameter less than 1.2 inches. The hangers have a little hook on either side to help keep clothes in place and notches at the shoulders to prevent clothing from slipping or falling off. They are lightweight and great for articles of clothing such as baby long sleeves, newborn pants, kids skirts, socks, heavier dresses, sweaters, etc. The hangers have a smooth surface, without any sharp edges that would catch clothes, and are strong and less likely to break.