Premium borosilicate glass construction ensures superior thermal shock resistance (withstands -30°C to 150°C) and dishwasher safety

Precision-rolled stainless steel lids with airtight silicone seals prevent leaks for active lifestyles

Four versatile sizes (10oz/12oz/16oz/18oz) accommodate all beverages from espresso to smoothies

Wide 3.5" mouth opening facilitates easy cleaning and ice cube insertion

Crystal-clear glass maintains beverage purity without plastic aftertaste or chemical leaching

Textured grip zones provide secure handling even when condensation forms

Commercial-grade thickness (2.5mm walls) withstands daily use in cafes, offices, or outdoor adventures

Non-porous surface resists odors and stains for long-term hygiene

Stackable design optimizes storage space for bulk buyers

Passes FDA/CE/SGS certifications for food contact safety