Specifications: Material: stainless steel Capacity: 300ml, 400ml Weight: 0.21 kg, 0.25 kg Features: -Made of food grade stainless steel, strong, durable and safe. -Adopt anti-sweat design to ensure your hands are kept dry. -The base is durable and reduces wear and collision damage. -Vacuum insulation, keep the beverage cold or hot for a long time. -Widely used in home, travel, swimming pool, beach, office, gym, camping, barbecue, party, picnic and other indoor and outdoor activities. Reminder: -Please do not put the tumbler in the microwave. -It's recommended to use a cup brush to clean the stainless steel tumbler. -Due to the influence of light and screen display, there may be slight color difference.