Sliime Cyber Monday 2017 Deal: Save 40% Off First Box!! Last updated by Hello Subscription on November 27, 2017. Cyber Monday 2017 Subscription Box Deals / Cyber Monday Subscription Box Coupons & Deals / Holiday Subscription Box Deals & Doorbusters / Subscription Box Coupons & Deals / Sliime Coupons / Kids & Baby Cyber Monday 2019 Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification A monthly subscription box for Slime Lovers. Every box contains slime and goodies you will LOVE! Sliime Cyber Monday 2017 Coupons and Deals Save 40% on your first box!! Use coupon code CYBERMONDAY. Expires 11/27 Visit Sliime to get this deal! Check out all of the Cyber Monday Subscription Box Deals!