This headband will fit all ages from newborn to adult! Diameter before stretching : 16cm , Diameter after stretching : 30cm?Width : 1 cm aprox. The material is made of soft nylon, they are very stretchy. composition: tie – 100% cotton. 6 x 2 cm aprox.(length x height) 100 % Soft Nylon Material Made by hand. Products are made from rolls of fabric with a pattern repeat design. This means the design featured on each item will vary.