The Starbucks HALLOWEEN 2021 Glow in the Dark Spider Web Cup is a limited edition 16oz Grande Tumbler featuring a spooky themed design perfect for the Halloween season. This black cup with a glowing spider web design is an original Starbucks creation, making it a must-have collectible for fans of the brand. Made in China, this unique cup is a great addition to any coffee or tea lover's collection, combining both functionality and aesthetic appeal.