Product information:. Color: black, beige, greyish purple, brown, pink, purple, blue. Material of liner: 304 stainless steel. Insulation Performance: 6-12 hours. Material: inner 304 outer 201. Applicable gift-giving relationship: junior, couple, couple, colleague, friend, elder, child, classmate, teacher. Shell material: 201 stainless steel. Applicable occasions for gifts: birthday, full moon, travel commemoration, graduation, housewarming, party gathering, visit to the disease. Function: household, portable, vacuum, heat preservation, drop resistance. Style: modern simplicity. Capacity: 1400ml. Packing list:. Vacuum cup*1. Product Image: