Enjoy spill proof sipping with this polo lifetime double walled push button vaccum insulated mug in 300ml. The double walled construction helps to maintain the temperature of your drinks and keeps them hot / cold for longer hours. Made up of 18/8 stainless steel this bottle is clear of BPA and does not retain any flavours. Its wide mouth opening helps in easy pouring and cleaning . A must have accessory while you are on the move for gym work car hiking outdoors yoga etc care instructions - wash the bottle inside out with a mild detergent. Use a soft brush for cleaning the inside. Do not use metal scrubbers to wash the bottle as it might damage the product surface. Do not use bottle for carbonated/citrus drinks. Open the lid and wash it under running water to clean thoroughly. When not in use keep your bottle lid open to avoid odour. Suggest to pre-condition the bottle with hot / cold water before pouring in the beverage.