This item is currently out of stock. If you order now, your item will be delivered before the holidays. 100% COTTON. To make sure you order the right size, you can measure your neck. If you are 38cm/15″ or less, you can order size I. If you measure 38cm/15″ or more, you can order size II. Necks are actually very much alike, no matter your regular size, weight or waist size. For kids sizes, sizes are according to age.