POPSUGAR Must Have Box: June On Sale! May SOLD OUT! Last updated by Hello Subscription on May 5, 2017. Subscription Box News / Popsugar Must Have Box News Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification POPSUGAR Must Have Box for May is SOLD OUT! If you don’t want to miss out on any future boxes, you can subscribe now for June! DEAL: Take $5 off your first box with coupon code MUSTHAVE5.