Across
- 2. urgent
- 4. envelope
- 6. heavy
- 7. to receive
- 8. fragile
- 12. to send
- 13. shipment
- 14. letter
- 15. stamp
- 18. mailbox
- 19. mail
- 21. certified
- 22. zip code
- 23. to sign
Down
- 1. to deliver
- 3. mail
- 5. sender
- 9. to delay
- 10. package
- 11. address
- 16. mail carrier
- 17. addressee
- 18. scale
- 20. signature