ITEM IS A VERY RARE & UNIQUE DESIGNED "GERMAN" BEER MUG..GERMAN ALPS AND A LARGE BIRD DESIGN ON FRONT..LETTERING "GERMAN BIER"....MADE FROM CLEAR VERY HEAVY GLASS WITH HANDLE, BOTTOM HEAVY WEIGHTED AND HAS A LARGE BASE WITH HOLLOW BOTTOM (SEE PHOTOS) ...... MUG IS 5 3/4" TALL, 3" TOP OPENING BASED EXTENDS TO 3 1/4"..HEAVY WEIGHS 29 OZS AND HOLD 10 OZS.THIS ITEM IS FROM A LARGE COLLECTION OF BEER GLASSES, LOOKS GREAT HAS NO PROBLEMS.