ltem description from the seller
Large-Capacity Straight Mug with Tea Strainer
Style: Straight mug
Inner Liner Material: 316 stainless steel
Outer Shell Material: 201 stainless steel
Insulation Performance: 0-6 hours
Main Material: 316 stainless steel
Style: Modern and minimalist
Capacity: 401-500ml
Features: Thickened design, standard use, suitable for home use, portable, vacuum insulation, heat preservation, customizable, shatterproof, smart control, temperature measurement, tea-water separation
Pour 95℃ HOT Water in to the bottle test
After 6 hours > 70℃
After12hours > 60℃
After 24hours > 40℃