Welcome to a very new and happy world of sustainable parenting products designed to help YOU. Each Flip-and-Sip Straw Top includes: Flip-and-sip drinking straw top to seal your bottle up when not in use or to easily pour beverages from your Chiller into your Ceres Chill cup for on-the-go hot or cold drinks, reusable. Chiller length straw to sip up every last drop, detachable fine-mesh infuser capsule to use with your Chiller, your favorite teapot or individual cup, compatible with your Ceres Chill cup to keep your top clean, use as a cup for hot beverages, glasses of wine or to convert into a child's three ounce sipper for easy, no spill sharing of your Chiller beverages!