Diy Custom TumblerTurn hydration into a sustainable style statement when you customize your very own tumbler with the STMT D. I. Y. Custom Tumbler kit. The 20 oz plastic tumbler features a bamboo lid and reusable straw, making it an elevated canvas for your creativity and self expression. Mix & match an assortment of waterproof decals to make your tumbler as unique as you are! The innovative squeegee tool makes applying the vinyl stickers easier than ever stick,