Halloween lovers can lean into the spooky holiday while sipping on their favorite beverage from this stainless steel cup. This cup comes in purple and features a playful Halloween message that reads, "Fab-BOO-lous." Sporting an eerie bat symbol, this Evergreen exclusive is scarily striking and even glows in the dark. Elevate any drink with this festive cup that allows drinks to hold their temperature much longer than the average cup. Made from double wall stainless steel, this tumbler has a vacuum seal to keep cold drinks cold & hot drinks hot. Complete with a straw, the cup holds up to 20 oz. Hold under light for 10-15 minutes and the design will glow for 1-1.5 hours. Hand washing is recommended to preserve the life of this decorative cup.