KitNipBox Halloween Sale: Get 16% Off First Month! Last updated by Hello Subscription on October 26, 2018. Subscription Box Coupons & Deals / KitNipBox Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification KitNipBox is having a Halloween Sale – get 16% off your first month! Use the coupon code MEOWLLOWEEN to get the deal. Valid until 10/31. Visit KitNipBox to get this offer.