1. Mail that includes letters and postcards and packages sealed against inspection
   - first class, 1st class, first-class mail

Type of: mail

• cleaner
• cleaners
• cleaning
• cleaning device
• cleaning equipment
• cleaning implement
• cleaning lady
• cleaning pad
• cleaning woman
• Anglo-Irish
• Anglo-Jewish
• Anglo-Norman
• Anglo-Saxon
• Anglo-Saxon deity
• Anglomania
• anglophil
• anglophile
• Anglophilia
• Anglophilic
• anglophobe
• Anglophobia
• Anglophobic
• anglophone
• Angola
• Angolan