Lavender Main Street Mailbox Backpack | JULY PREORDERHow pre orders work Pre order ships July. We'll email you the moment yours goes out. Introducing the Lavender Main Street Mailbox Backpack, a blooming beauty that adds a touch of floral charm to your everyday adventures! Beautiful detailing including a magnetic button clasp and working lock with key included Gusseted adjustable sides Adjustable Backpack Straps Custom inner liner with a satin finish Three Interior Pockets for organization, one exterior