Experience practicality with our Forma Professional 11.8-ounce Glass Travel Mug. The dual-layer design of this mug boosts heat retention, enriching beverage enjoyment. Made from borosilicate glass, this travel mug resists breakage. This to go cup tolerates sudden temperature shifts from -40F to 300F, offering drink flexibility. Handcrafted precisely, this clear coffee mug adds sophistication and style to your setting. The built-in handle on this travel coffee mug spreads weight evenly in your grip, minimizing hand stress. The silicone lid of this double-walled mug forms a tight seal. With a slide-buckle feature, this coffee cup lid shuts tightly to prevent spills. This mug lid includes a lifted spout for easy sipping. This to go coffee cup is safe for microwaves and ovens. Plus, this glass tumbler can go in the freezer and dishwasher. This coffee tumbler measures 3.3 inches in width by 5.5 inches in height and contains 11.8 ounces. Sold in a 1 count box.