High-value 316 Stainless Steel Smart Mug Lightweight Office Coffee Cup with Handle Outdoor Use Student Travel Mug

Product category: vacuum flask Liner material: 316 stainless steel Thermal insulation performance: 6-12 hours Material: 316 inside and 201 outside Shell material: 201 stainless steel Functions: thickening, routine, household, portable, vacuum, heat preservation, customizable, anti-fall, intelligent control, temperature measurement. Capacity: 650mlProduct category: vacuum flask Liner material: 316 stainless steel Thermal insulation performance: 6-12 hours Material: 316 inside and 201 outside Shell material: 201 stainless steel Functions: thickening, routine, household, portable, vacuum, heat preservation, customizable, anti-fall, intelligent control, temperature measurement. Capacity: 650ml