Rescue Box Sale: Get 15% Off RescueBox Subscriptions! Posted by Hello Subscription on April 23, 2018. Subscription Box Coupons & Deals / Rescue Box Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification This week, use coupon code RB15 to save 15% off any RescueBox subscriptions! Visit Rescue Box to get this deal!