Premium 304 Stainless Steel Vacuum Flask Set – Ultimate Insulation & Durability

High-grade 304 stainless steel inner/outer walls with copper-plated vacuum layer for 12-hour heat retention and 24-hour cold retention. Mirror-polished finish resists scratches and fingerprints.

Corporate Gifting & Branding Excellence

Ideal for company annual meetings, promotions, or client gifts. Laser-engraved LOGO customization available (min. order 50 sets) for premium brand exposure.

Thoughtful Couple Set Design

Includes matching 500ml + 350ml flasks with leak-proof swing lids. Ergonomic curved shape fits car cup holders and bags seamlessly.

Commercial-Grade Safety

Food-grade silicone seals and BPA-free materials. Rustproof construction withstands dishwasher cleaning for heavy-duty use.

Wholesale Advantage

Factory-direct pricing for bulk orders (500+ sets). MOQ flexibility with Amazon FBA/Shopify dropshipping support.