This pin is part of a blind box by Loungefly which features 6 Star War helmets as backpacks. This pin specifically is for an Ahsoka clone trooper backpack. It is a white backpack with white straps and orange/black features. Set #151224, Ashoka #151225, Jango #151226, Mando #151228, Capt Rex #151229, Clone Trooper #151230, Nite Owl #151231.
The back of the pin has the Loungefly crown logo debossed, Star Wars script and trademark, Made in China, and FAC #