Premium 18/8 stainless steel inner & outer walls with advanced vacuum insulation technology maintains temperature for 12-24 hours.

Smart LED temperature display integrated in leak-proof precision screw lid shows real-time liquid temperature with 0.1°C accuracy.

Military-grade shock-resistant coating and ergonomic non-slip grip design for outdoor adventures, gym sessions, or office use.

FDA-approved food-grade 304 stainless steel interior resists odors and stains while being 100% BPA-free.

High-capacity 500ml/17oz vacuum-sealed chamber features one-touch push button opening mechanism with dust-proof silicone seal.

Multi-layer copper-plated insulation core with mirrored polishing achieves 80% better thermal retention than standard flasks.

Professional-grade CNC machining creates seamless body construction with reinforced double-wall welding technology.

Ideal for camping, business travel, or daily hydration needs - compatible with car cup holders and backpack side pockets.