Mother-K is a novelty, the prevention of return fluid flow in the straw.
Air valve, controls the air pressure balance during a child’s drink and therefore does not attract any air or food residues into the drinker.
1. The recommended temperature should be approximately 40 ° C when the liquid is poured into the bottle.
How to expel air from the straw?
Fill the liquid inward and slowly screw the upper part. Then press the air valve hole (look at the picture) to eject the air from the straw.
• Do not pour hot liquids that exceed a temperature of 40 degrees.
• High temperature liquids may drip.
Please note: Mother-K’s straw is extremely soft and delicate, and can be damaged if precautions are not taken when washing and allowing children to play. If the drinker is not used as intended, keep out of reach of children. How to wash the silicone straw? Use a cleaning brush specially designed to drink straw. Wash with circular, gentle movements. Do not wash with a brush up and forth, so you can damage it. Before washing, inspect visually for damage and cracks around the air valve.