Pooch Perks March 2017 Theme Spoilers + Coupon Posted by Hello Subscription on February 23, 2017. Subscription Box Spoilers / Pooch Perks Coupons / Pooch Perks Spoilers Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for LaterGo to commentsNotification Pooch Perks has announced their March theme: XTREME Circus! DEAL: Get $5 off your first box! Use coupon code CARNIVAL.