This pin belongs to a 6 pin set released by Loungefly which features 6 Marvel heroes as cupcakes. This pin specifically is inspired by Black Widow. The cupcake liner is black and white striped with a red wave top. The cupcake itself is red batter with black frosting. The cupcake is adorned with red and white sprinkles and a Black Widow logo. Set #150892, Hulk #150893, Black Widow #150894, Black Panther #150895, Thor #150896, Iron Man #150897, Captain America #150898.
The back of the pin is black metal with the Loungefly crown logo debossed. It has the Marvel Eat the Universe logo, Marvel trademark, Made in China, and FAC-078722-21270