The Bonnet is the ideal underscarf hijab cap. The functional and fashionable hijab underscarf bonnet holds the hair in place and helps keep scarves and shawls from slipping. It is large in size with elastic at the nape of the neck to accommodate your hair. One size fits all because the ties in the back can be adjusted to your preferred comfort and snugness. The Supreme fabric is soft and smooth 80% cotton/20% polyester.