Vacuum Insulated Stainless Steel Flask with Rainbow Color Painting

Premium 18/8 food-grade stainless steel interior resists rust and retains temperature for 24 hours. Double-wall vacuum insulation technology prevents condensation.

Hand-Painted Rainbow Design

Vibrant UV-resistant coating applied through precision laser etching, ensuring fade-proof colors even with frequent washing. Scratch-resistant powder-coated exterior.

Versatile Temperature Control

Maintains hot beverages (212°F) for 12 hours and iced drinks (40°F) for 24 hours. Leak-proof screw lid with silicone gasket.

Multi-Scene Usage

Ideal for car travel (fits cup holders), outdoor camping with carabiner loop, and office use. Wide mouth accommodates ice cubes and easy cleaning.

Commercial-Grade Durability

Reinforced base with anti-slip rubber ring. 100% pressure-tested welds at joints. BPA-free materials comply with FDA/CE standards.

Wholesale Advantage

Factory-direct pricing with MOQ flexibility. Custom logo printing available. Bulk packaging optimized for international shipping.