Premium 530ml Double-Wall Vacuum Insulated Flask

Aerospace-grade 18/8 stainless steel construction ensures durability and rust resistance. Advanced vacuum insulation technology maintains drinks hot (12h) or cold (24h). Laser-sealed copper layer enhances thermal efficiency.

Leather-wrapped twist lid with silicone gasket prevents leaks—ideal for hiking, commuting, or gym use. Wide mouth accommodates ice cubes and easy cleaning. Ergonomic curved base fits car cup holders.

Mirror-polished exterior resists fingerprints. BPA-free materials meet FDA/CE standards. Bulk order discounts available for retailers and corporate gifts. Ships globally with wholesale pricing.