These six napkin rings are made of ivory white plastics, each has three grooves around the middle which are coloured pale green. Each measures approx. 29mm x 45mm across at widest point. No maker's mark.Please examine picture carefully. Every attempt is made to describe items accurately, but if you have any questions, please email. Payment in sterling: Paypal, cheque or money order. Every item is sent via recorded delivery, unless the weight is prohibitive. IF OVERSEAS, International Signed For mail costs £4.95 in addition to postage costs, so please email for postage quote. Failed delivery will incur additional postage to re-send the item.Check out my other items !