The Funko Pop! Vinyl Marvel Black Widow #453 is a collectible figure featuring the character Black Widow from the Avengers: Endgame Series 1. This Pop! Vinyl figure is part of the Marvel collection and is made of vinyl material. The box number 453 signifies its specific edition in the series, and the figure is designed in black color with a vaulted feature, making it a sought-after item for collectors interested in Marvel-themed collectibles.