Anyone who enjoys the sea will appreciate a set of our unique PORTHOLE COASTERS. A large 3 1/2 inch cork pad(will hold the largest of glasses) which rests inside our 5 1/4 inch diameter porthole coaster. Four non-skid cork pads on the bottom of each coaster prevent sliding on moving table tops and allow for neat stacking. We do not wholesale our coasters, so you have found the only place in the world to buy them. Set of 4 shipped in a custom carton suitable for gift wrapping upon receipt. $26.95 plus $5 shipping in the US. Porthole Coasters $39.95 info@portholes.com Toll Free 800-799-1761