EBY 12 Days of Christmas Sale: 20% Off First Box! Last updated by Hello Subscription on December 12, 2018. Holiday Subscription Box Deals & Doorbusters / Subscription Box Coupons & Deals / EBY Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification The EBY 12 Days of Christmas Sale is here! Today ONLY, take 20% off your first EBY box with coupon code EBY20! *Exclusively for the first 50 ladies who sign up today Are you getting EBY?