Urthbox Valentine’s Day Coupon: Save $10! Posted by Brandy on January 30, 2017. Subscription Box Coupons & Deals / Urthbox Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification UrthBox is having a Valentine’s Day sale! This box focuses on non-GMO, organic and all natural foods and packs a nice big box – perfect for supporting new year’s resolutions! Use coupon code VALENTINES10 through 2/28!