INSTRUCTIONS FOR USE: WARNINGS: Classic™ ALL PARTS ARE TOP-RACK DISHWASHER SAFE. RINSE WITH WARM WATER IMMEDIATELY AFTER EACH USE. DO NOT MICROWAVE, FREEZE, OR BOIL. NOT FOR USE WITH HOT LIQUIDS. HOT OR CARBONATED CONTENTS MAY BUILD PRESSURE WITHIN THE BOTTLE AND CAUSE THE FLIP TOP TO OPEN UNEXPECTEDLY AND SPRAY CONTENTS. OTHER CONTENTS (SUCH AS PANCAKE BATTER OR SPOILED BEVERAGES) MAY BUILD PRESSURE AND LEAK OR SPRAY OUT UPON OPENING. ALWAYS OPEN WITH CAUTION.