Mother-K tritane and PPSU drinking straw set (2 pcs.)

Mother-K news, backflow prevention in straw.

(+) -shaped air valve, controls the air pressure balance during the child’s drinking, so no air is drawn in and no food residue enters the bottle.

Information:

1. When pouring liquids into a vial, the recommended temperature should be about 40 ℃.
How to expel air from straw?
Fill in the liquid and slowly screw on the top. Then press the hole in the air valve (see picture) to expel the air from the straw.
• Do not add hot liquids above 40 degrees.
• High temperature liquids may drip.

Attention: The straw of the Mother-K bottle is extremely soft and gentle, so it can be damaged if precautions are not taken when washing it and leaving it for children to play with. Keep the bottle out of the reach of children if the bottle is not used as intended.
How to wash silicone straw?
Use a cleaning brush specifically designed for the straw of the bottle. Wash in a circular, gentle motion. Do not wash with a brush up and back, as this can damage. Inspect the air valve for damage and cracks before flushing.