Thermos cup Insulation Performance: 6-12 hours Function: Portable, vacuum, heat preservation, bounce Specification: 1 x Insulation cup + holster Capacity: 300ml/450ml Material: 304 stainless steel + PP Applicable People: ladies, children, couples, students Gift: Couples, colleagues, friends, children, classmates, mentors Applicable Scenarios: Sports, wedding, home, Christmas, office, outdoor, travel, gift giving and so on. Applicable Festivals: Christmas, Valentine's Day, Spring Festival, Teacher's Day, New Year's Day, Tanabata, Halloween, Women's Day. Warm Tips: Please allow slight error due to manual measurement. Thanks for your understanding. Monitors are not calibrated the same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.