Solid Copper Coasters - Set of 4 Handcrafted Hammered Artisan Coasters for Copper Mugs (4, Hammered Copper) Set of 4 gorgeous coasters - stunningly hammered and polished by hand to perfection 100% pure solid copper - no other metals 3" inner diameter (usable part) - total diameter 4 and 3/16". Fits Moscow Mule mugs perfectly! Match with ASIN: B00YBDXVMG Great rustic vintage decor for many uses - chic, trendy, and classy Satisfaction 100% guaranteed! We stand by our products and are certain you'll love them