Large size: This size is specially made slightly larger, so there is enough space for full hair like curls or normal afro hair! Many other shower caps are often too small for hair with volume. The Diameter of the cap itself is approx. 30 cm The elastic headband is a regular size and fits all adult heads Looking for a new shower cap? Consider this pretty looking shower cap from AfricanFabs. This shower cap is a way better investment than the thin throw away shower caps. Also the right choice for mother nature :-) This shower cap has a lovely print and is made of water resistant material. The elastic headband makes sure that most adults will fit this hat perfectly.