To separate the straw, grab both halves at the end of the product. Then pull the two halves away from each other to separate them.
To assemble the straw, line up mated joints from both halves at one end of the straw. Gently push the halves together. The joints should snap together and seal tightly. Check for any gaps prior to use.
To clean the straw, separate the two halves then wash gently with warm water, soap, and a small brush. Dishwasher safe.