Mouth opening: 13,5 cm / ca 5,4. Very attractive lead crystal item. Please take a look at the pictures! Any white or bright spots are due to camera. Please Note: This item may not match items that you already own.There are many variations in hand cut crystal, as all pieces are individually cut. (size, weight, air bubbles and color may be different). Please look my other items. Please get in contact if you have any questions.