Sweese 4614 Stemless Champagne Flute Glasses Set of 2 — 6 oz Double Walled Stemless Glass Flute Perfect for a Bridal Shower Wedding Day Mimosa Party

I AM SWEESE'S GLASS, I WANT TO SAY SOMETHING. LET ME BREATHE In order to prevent glass mugs burst when using, there's a small round hole on the bottom that allows the glass to breathe in process. DON'T WORRY, it is seal, the water would not go in!!! I AM TRUE GLASS The glass coffee cups is very lightweight. Somebody said it maybe made from plastic, but actually not! It is true glass! The glass cup is make of mouth-blown high borosilicate glass, it would be more lighter than the normal glass, but durable and stable. TAKE CARE OF ME The glass cup is made of the glass, as we all know that the glass cups are fragile item, we should take care of them, avoid to collision and we not recommend to use with metal utensils I WANT YOU 100% satisfaction Sweese provide a 30 days warranty, that if anything goes wrong about the product within 30 days, will replace the item at no cost to you. Add Sweese Coffee Mugs to your kitchen collection now!