Product information: Color: smoke Brown (smart temperature display model), wine red (smart temperature display model), blue (smart temperature display model), Black (smart temperature display model), brown (intelligent temperature display model) Material of liner: 316 stainless steel Insulation Performance: 6-12 hours Material: 316 stainless steel Shell material: 304 stainless steel Style: with rope handle, Cup, with lock Functions: thickening, portable, heat preservation, customizable, intelligent control, temperature measurement Style: light luxury Capacity: 450ml