These armbands measure 13.5 x 8.5cm. Made from two layers of polyester/cotton drill fabric, combined together to form a firm durable product held in place by 2 lengths of ½" wide elastic. This small size will fit most primary school aged children. You can see photos of all the colours on our adult size elastic back web page. If the colour you want is not listed please phone us as other colours are available. Made in our work rooms in the UK. The quantity prices below include vat but not postage which will be calculated at the checkout.