Creative 304 Stainless Steel Smart Vacuum Flask Touch Temperature-sensitive Portable Water Cups for Men and Women Business Office Gift Cups.

Product category: vacuum flask Liner material: 304 stainless steel Thermal insulation performance: 6-12 hours Material: inner 304 and outer 201 Shell material: 201 stainless steel Style: straight cup Functions: thickening, routine, portable, vacuum, heat preservation, bouncing. Capacity: 401-500mlProduct category: vacuum flask Liner material: 304 stainless steel Thermal insulation performance: 6-12 hours Material: inner 304 and outer 201 Shell material: 201 stainless steel Style: straight cup Functions: thickening, routine, portable, vacuum, heat preservation, bouncing. Capacity: 401-500ml Label：Yes