Premium Dual-Layer Vacuum Flask – Hot & Cold Retention Excellence
Crafted with food-grade PP outer shell and inner glass lining for 100% taste preservation, this flask ensures no plastic aftertaste. Advanced vacuum insulation maintains temperatures for 12h (hot) / 24h (cold). Seamless leak-proof design with precision-fit silicone gasket, ideal for office commutes, gym hydration, or outdoor adventures. Lightweight yet durable, scratch-resistant matte finish for daily elegance. Wholesale-ready with bulk discounts, direct-from-factory pricing. Custom branding available for bulk orders. Global shipping, unbeatable value.