This Funko Pop Tees Seinfeld Serenity Now T-Shirt features a design inspired by Frank Costanza's iconic phrase and is part of the Funko Pop! Tees product line. Made of comfortable cotton knit material in a blue color, the short sleeve t-shirt has a crew neck and is designed in size Large for unisex adults. The shirt showcases a funny and unique theme that fans of Seinfeld will appreciate, making it a stylish and playful addition to any wardrobe.