Embassy Stainless Steel Trivet/Table Ring Set, Round, Set of 4 - Small (15 cms, 2 Pcs.) & Big (20 cms, 2 Pcs.) Embassy trivets or wire mats are made of high quality Stainless Steel. Ideal to place the hot containers on these table rings so that the hot containers do not damage the surface of dining table or any other surface you place the hot container on.