21st Birthday Beer Mug, Finally Legal 21 Mug is a perfect birthday gift to help remember this milestone birthday party. Turning 21 is a time to celebrate adulthood. What better way than to have that first "legal" drink in your very own exquisitely carved and engraved 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.