Pet Treater Dog Box Mini – First Box $3.14 TODAY ONLY! Posted by Hello Subscription on March 14, 2018. Subscription Box Coupons & Deals / Pet Treater Coupons / Pet Treater Dog Box Mini Coupons . The links in this post may be affiliate links. Read full disclosure Save for Later Notification New Pet Treater subscribers can use code PIPUP at checkout to get your first Mini Dog Box for just $3.14 through 3/14!