304 Vacuum Stainless Steel Vacuum Flask Double-Layer Large-Capacity Outdoor Water Bottle Mountaineering Sports Bottle, Capacity: 500ml(Red)

Vacuum flask designed for outdoor use. It features a vacuum double layer for insulation.

• Material: 304 stainless steel + silica gel
• Capacity: 500ml
• Weight: approximately 323 g
• Size: approximately 21x7.3 cm
• Features: vacuum double layer, 24-hour long-lasting insulation, portable, leak-proof, safe and healthy, durable, easy to clean, non-slip rubber bottom, round cup without burrs