Premium 500ml Custom Logo Stainless Steel Vacuum Flask

Double-wall 18/8 stainless steel construction ensures 24-hour temperature retention for both hot and cold beverages. Advanced vacuum insulation technology prevents condensation and maintains drink integrity. Laser-engraved custom logo option for corporate branding or personalization with scratch-resistant finish.

Ergonomic spill-proof lid with one-touch opening mechanism for easy单手 operation during workouts, hiking, or office use. BPA-free food-grade silicone sealing ring guarantees leakproof performance in backpacks or gym bags.

Mirror-polished exterior with durable powder coating resists dents and fingerprints. Wide mouth accommodates ice cubes or easy cleaning. Suitable for outdoor adventures, sports hydration, promotional gifts, or eco-conscious daily use.

Wholesale bulk pricing available with no minimum order quantity. Direct factory sourcing ensures unbeatable global rates for resellers and businesses. Compatible with most standard cup holders.