Coasters are a must to protect your surfaces from damage from drips, dents, and hot mugs. These cork coasters will protect your surfaces and the natural cork compliments the modern, clean look of today. Cork is the spongy inner bark from a type of Oak tree native to dry Mediterranean regions. It is durable and heat resistant. It can be harvested every 9-12 years without harm to the tree. This renewable resource is extremely valuable to the environment. Product Features Material Cork Dimensions 9cm diameter Thickness 0,5cm Made in Portugal Care instructions Wipe clean with a damp cloth to remove any food particles or light stains An occasional scrub with a dish brush will remove any stubborn deposits