May 2017 Boom! Box by Espionage Cosmetics Theme Spoilers + Coupon Code! Posted by Brandy on March 29, 2017. Subscription Box Spoilers / EC Boom! Box Spoilers Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification Espionage Cosmetics has released the theme for the May 2107 BOOM! Box: BATTLE OF THE BADLANDS! DEAL: Save $3 off first BOOM!Box or NEXUS! Use coupon code HELLOSUB2017.