Rescue Box Holiday Sale: Get FREE Holiday Mystery Box With 3+ Month Plan! Last updated by Hello Subscription on November 12, 2018. Labor Day Subscription Box Deals / 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 Use coupon code EXTRABOXW to get a FREE Holiday Mystery Box with 3+ month RescueBox subscriptions! Visit Rescue Box to get this deal!