The 230mL Calm Cup delivers exceptional temperature retention through double-walled stainless steel construction and vacuum insulation, maintaining your beverage at optimal warmth or coolness for extended periods. Its compact footprint makes it ideal for commuting, office use, or home relaxation, while the durable build ensures reliable performance across daily use. Whether you prefer hot coffee, cold water, or anything in between, this tumbler provides the thermal control and portability serious drinkers demand
