Beautiful shimmery copper and blue coasters. Set of 4 resin coasters handmade with copper and blue mica in resin. Each unique in their own way. Sizable, 4 inch diameter and 1/2 inch thick. These one of a kind coasters enhance any decor. Food safe and heat resistant to 500 degrees. Care: Hand wash as needed in warm soapy water and dry with a soft cloth. Because all pieces are handcrafted one at a time, they may have natural blemishes or variations that are inherent to the handmade process. This is an expected part or the resin making process, however I do try to minimize this as much as possible. As a resin artist, I recognize that this is not the most eco-friendly medium. To balance this, I do my best to minimize waste during production, use recycled or compostable shipping materials when possible and even recycle some of the shipping materials I receive in products I order to pack some of my shipments, while still keeping the packaging and unboxing an enjoyable experience. I hope you see this as a positive process of environmental responsibility.