Mailbox & My Mail Bag Set features a durable plastic mail box and mail bag making it a fun addition for any classroom! Mailbox is made of weatherproof, sturdy polyurethane with a realistic front mail slot. The rear opening allows for inserted mail to be retrieved. Roomy mail bag includes 22 preprinted plastic 4x 6 envelopes! Mail Bag is made of coated nylon for durability and is easy to clean. Break-away shoulder strap is included.