Bear 316 Stainless Steel Insulated Portable Thermos Cup for Men and Women, Student Beige 320ml

Ultra-lightweight and compact design, smaller and lighter than a smartphone, easy to carry in pockets or small bags

5-layer insulation structure for long-lasting temperature retention (up to 12 hours hot or cold)

Strong sealing system with silicone ring to prevent leaks and keep bags dry

Food-grade materials ensure no harmful substances, odors, or heavy metals

316L stainless steel inner liner resists corrosion, rust, and wear, easy to clean, and prevents flavor transfer

Equipped with 316L stainless steel tea strainer for smooth tea drinking without residue

Ergonomic curved body for comfortable grip

Suitable for indoor and outdoor use, ideal for coffee, tea, and other beverages

Leather strap for easy carrying

Tested with 96°C hot water and 3°C cold water at 20°C ambient temperature for 12 hours:

Office, study, travel, fitness, and outdoor activities

Personal hydration with a private 320 mL volume

All measurements are manual and may have slight deviations. Data is from Bear laboratory tests and for reference only; actual use may vary.