ERM Insulated Mug Large Capacity 316L Stainless Steel Cold Water Bottle for Men Students Outdoor Sports Portable Straw Cup

1. Electrolytic grinding layer

2. Vacuum insulation layer

3. 316L stainless steel inner liner

4. Vacuum heat insulation layer

5. 304 stainless steel outer layer

6. Surface spray coating layer

Maintains temperature for up to 48 hours (hot or cold)

Keeps warm drinks hot up to 8 hours

Keeps cold drinks cold up to 24 hours

Leak-proof and anti-spill design with 360° inverted no-leak technology

Anti-choke straw mouth

Child-safe, integrated lid design to prevent loss

Portable handle for easy carrying

Durable, drop-resistant, and scratch-resistant coating

Suitable for all seasons and active lifestyles

Over 15 years of quality assurance

Nationwide innovation and R&D center with over 200 patents

Large capacity for active hydration (+30% compared to ordinary bottles)

Designed as a personal energy core to support hydration and vitality throughout the day

Ideal for sports, outdoor activities, travel, and daily use

Safe, baby-grade materials ensuring health and safety