24oz Chameleon Color Change Tumbler with Straw and Lids

Description: Enjoy a refreshing summer, bring you cold and cool feeling with this Chameleon Color Change Tumbler! Our Chameleon color changing Tumbler is made of single-wall polypropylene plastic BPA-free and designed for cold drinks only.Our lightweight plastic tumblers feature color changing properties.When filled with Cold Beverages(the temperature is below 17 degrees), the tumblers will change colors im