<b>COMPATIBILITY</b><br> ✔ Compatible with CamelBak Eddy Kids straws and bottles<br> ✔ 2019 and earlier CamelBak Eddy Kids bottles<br> ✖ Not compatible with CamelBak Eddy, Eddy+ Kids or Eddy+ bottles<p> <b>INSTRUCTIONS</b><br> 1. Pull out the straw from the bite valve <br> 2. Pull out the bite valve stem from cap<br> 3. Match the same direction to the snifting valve<br> 4. Put the bite valve into straw cap flip<br> 5. Pull out the stem from the opening<br> 6. Press the bite valve opening for check<br> You also can read the instructions picture on our product page. <p>