Engraved skull and cross bones beer mug is a perfect cool gift idea for guys. Rock and roll style beer mug. Bad to the bone beer mug is what you have with this skull and bones beer mug. Deeply carved using our sand carving technique, each of our custom beer mugs is meticulously custom made to order making it the perfect gift for those seeking unique gift ideas for beer lovers - men and women alike. Our 6" High, 3.6" wide, 23 oz beer mug is dishwasher safe. A set of these etched, engraved beer mugs will be the favorite gift at any special gift giving occasion.