Premium Insulated Vacuum Flask Glass Liner – Hot Sale Wholesale

High-grade borosilicate glass liner ensures superior thermal retention (hot/cold for 12+ hours) with 100% taste preservation. Seamless stainless steel vacuum insulation layer prevents condensation and maintains temperature stability.

Food-grade 304 stainless steel mouthpiece features precision welding for leakproof performance. Ergonomic curved design fits standard car cup holders and backpack side pockets.

Commercial-grade durability withstands daily drops (3x reinforced base) and dishwasher-safe for high-traffic cafes, offices, and outdoor adventures. Bulk packaging optimizes logistics costs for resellers.

Exclusive wholesale pricing for bulk orders (MOQ flexible) with global air/sea shipping options. Custom branding available for corporate gifts and retail chains.