ZHMTANG glass mugs are versatile and can fit any occasion! They’re the perfect complement to any tableware and work well for coffee,tea,hot chocolate,soups and after-dinner drinks.Best Choice Ever. 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 the process. It is sealed, the water would not go in!!! I AM TRUE GLASS The glass coffee cups is very lightweight. Somebody said it may be made from plastic, but actually not! It is true glass! It is true glass. The glass cup is made of mouth-blown high borosilicate glass, it would be lighter than the normal glass, but durable and stable. NO BURNING AND INSULATION Double-wall design prevents from burning hand, remains cool to touch, and keep the beverage hotter and colder. HOW GOOD AM I The double-walled glass holds 16 oz, not only for coffee, latte, cappuccino, cocoa, chocolate, but also great for brewing tea, kinds of beverage. Vintage Glass Coffee Mugs 2pcs Teacup Double Layer Glass Glass Jar Borosilicate Canister Glass Coffee Mug Glass Lid Glass Coffee Mug Bamboo Lid Double-walled Teacup Add to Cart Add to Cart Buying Options Add to Cart Buying Options Buying Options Customer Reviews 4.3 out of 5 stars 44 4.2 out of 5 stars 105 4.5 out of 5 stars 56 3.8 out of 5 stars 94 3.3 out of 5 stars 58 — Price $19.99$19.99 $15.99$15.99 — no data $16.99$16.99 — no data — no data Capacity 14 Oz 12.5 Oz 34 Oz 15 Oz 15 Oz 2 Oz Giftable ✓ ✓ ✓ ✓ ✓ ✓