If you ordered the discretely labeled gender reveals, you can identify the color of the smoke bomb by looking at the bottom of the packaging or on the side of the box it comes in. Right next to the barcode, you'll see the following: If you ordered the WP40:WPM = Male WPF = Female If you ordered the dual vent:Product code on the bottom of the box: Blue will end in B Pink will end in PK.  If you ordered the EG18:EG18AB = Male EG18AK = Female If you ordered the micro 3 pack, find the side of package that has the circles with icons: EG25F = Female EG25M = Male