Blue Gold Resin Coaster Eye Set of 4 eye-catching blue gold coasters with cork backing.  Australian Made Using Australian Supplies. They Tolerate Temperature Up To 80 Degrees Celcius.   Beautiful Gift, House Warming Gift. CARE OF RESIN ITEMS  The resin used in coasters is heat resistant only UP TO 70 degrees Celsius  Wipe clean with a lightly dampened cloth only  Never wash or use harsh chemicals or abrasive cloths  Not dishwasher safe  It is advisable to store resin products out of direct sunlight as too much heat can cause the resin to discolour and/or soften and warp.