For safety and hygiene purchases, do wash all parts of the Hegen PCTO™ 330ml/11oz Straw Cup PPSU with undiluted baby bottle detergent before assembling in a few simple steps.
Step 1: Ensure the replacement seal is snugly fitted along the interior of Straw Spout.
Step 2: Thread Upper Straw through the opening of Straw Spout.
Step 3: Pull the Upper Straw until a 'click' sound is heard.
Step 4: Secure the 2-way Valve by pushing the valve into the groove.
Step 5: Attach the Lower Straw to the Upper Straw.
Step 6: Assemble the Hegen PCTO™ Straw Spout onto Hegen PPSU container, Press to Close.
Step 7: For a leak-resistance experience, tighten the Hegen PCTO™ Straw Spout by turning it clockwise to secure the bottle.
Step 8: Close the Straw Cap to prevent any leakage of water from Upper Straw.
Now your Hegen PCTO™ 330ml/11oz Straw Cup PPSU is ready for use!