"Pretty Fly for a Cacti" Cold Color Changing Glass Tumbler w/ glass straw by Avery + Lottie with a 10" Straw Cleaner Brush.
 
16 oz Food Grade Glass Tumbler with Bamboo lids and Glass Straw. The bamboo lid has a rubber gasket to keep the lid secure. The glass straw measures 8.5" in length. The design is created with color changing adhesive vinyl. It is recommended to wash the glass by hand to keep the design looking as new as possible. Color changes from teal at room temp to dark green at temps below 59 degrees