Premium 380ml borosilicate glass construction ensures superior thermal shock resistance (withstands -30°C to 400°C) and exceptional clarity for visual liquid monitoring. Chemically inert surface preserves beverage purity without flavor transfer or plastic aftertaste.

Food-grade silicone sleeve provides impact absorption (3mm shockproof padding) and non-slip grip during outdoor activities. Leak-proof stainless steel cap with precision threading maintains 360° seal integrity for backpack/travel use.

Customizable surface accepts high-definition UV printing for brand logos/promotional designs (2000+ print cycles durability). Ideal for gym hydration, hiking gear, hotel amenities, and corporate gift sets.

Commercial-grade durability withstands 500+ dishwasher cycles (FDA & LFGB certified). Wholesale MOQ 500pcs with bulk discount tiers. Ships globally with OEM/ODM support for private labeling.