Indulge in beverages with our Forma Professional 11.8-ounce Glass Travel Mugs. These mugs have a double-wall build for excellent temperature retention. Made from borosilicate glass, these coffee cups resist breakage and offer long-term durability. These mugs withstand sudden temperature changes from -40F to 300F. The hand-blown glass design of these clear coffee mugs highlights your drink’s color and texture. With attached handles, these mugs distribute weight evenly in your hand. The silicone lids of these glass tumblers form a secure seal. A movable buckle on these cup lids ensures tight closure to prevent spills. Raised spouts offer easy sipping for a smooth drink experience. These cups are microwave- and oven-safe for versatile heating. These glass mugs are also freezer-safe for quick chilling. Designed for busy lifestyles, these tumblers are dishwasher-safe. These mugs with handles measure 3.3 inches in diameter by 5.5 inches in height and hold 11.8 ounces. Sold in a 10 count box.