Cratejoy Back To School Sale: Save 30% On Subscriptions! Posted by Hello Subscription on August 13, 2020. Subscription Box Coupons & Deals / Cratejoy Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification Cratejoy‘s Back-To-School Sale is here – with over 100 boxes on sale! Get 30% off your first box on prepaid subscriptions in the Back-To-School Collection and use the coupon code BACKTOSCHOOL30. Ends 8/20. Shop and save 30% at Cratejoy! Here’s a peek at the Back-to-school boxes on sale – visit Cratejoy to see more subscriptions! Visit Cratejoy to see them all!