These armbands measure 15.5 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 size will fit small to medium sized men and average to large sized women. 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.