Cute Bear Smart Thermal Bottle Display Temperature Thermal Mug Stainless Steel : 1: Materials like stainless steel are used in this product.The drinkware type is vacuum flasks & thermoses.The shape is straight cup.The metal type of our product is stainless steel.The bottle type of our product is vacuum. It temperature display. It is unisex.The thermal insulation performance of our product is 6 - 12hours. Ideal for office, school, camping etc