WhiskerBox Black Friday Cat Subscription Box Deal -10% Off For Life Discount! Last updated by Hello Subscription on November 23, 2016. Black Friday Subscription Box Deals & Coupons / Holiday Subscription Box Deals & Doorbusters / Subscription Box Coupons & Deals / WhiskerBox Coupons / Pet Black Friday 2019 Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification A WhiskerBox Black Friday deal for kitty cats! Save 10% for the life of your subscription with coupon code THANKS10. Whiskerbox is regularly $29.95 for the “Mew” subscription (3-4 items not including apparel), or $39.95 for the “Meow” subscription (4-6 items including apparel).