In order to get the most from this product please read these instructions and retain for future reference. Safety Advice For use with cold liquids only. Do not use with carbonated or alcoholic liquids Never use in a dishwasher. Do not use in the microwave, conventional oven or freezer Do not over tighten the lid, Do not overfill, leave enough space in the neck to fit the lid. Care Instructions Please clean this bottle with warm water and washing up liquid prior to its first use. De not use bleach or chiorine- based cleaning products on this bottle, The container should be periodically cleaned. The best results are obtained using a mixture of water and bicarbonate of soda or washing up liquid Rinse thoroughly afterwards.