Cratejoy Flash Sale: Save 30% On Book, Art, and Food Boxes – Today ONLY! Posted by Hello Subscription on October 22, 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 newest sale is here – with over 50 Book, Art, and Food subscription boxes to choose from! Get 30% off your first box from the Introvert Collection and use the coupon code INTROVERT30. TODAY ONLY! Shop and save 30% at Cratejoy! Here’s a peek at the Introvert Collection – visit Cratejoy to see more subscriptions! Visit Cratejoy to see them all!