Answer: envs

AnswerCrossword Clue
ENVSP.O. boxful
ENVSLetter carriers: Abbr.
ENVSStationery store stock (Abbr.)
ENVSMailers: Abbr.
ENVSStationery store stock: Abbr.
ENVSLetter reqmts.
ENVSStationer's mdse.
ENVSOffice supplies: Abbr.
ENVSPlaces where SWAK may be written
ENVSGPO purchases
ENVSHolders of ltrs. or bills
ENVSThey're often sent by the USPS
ENVSLetter carriers (abbr.)
ENVSPt. of SASEs
ENVSStationery store stock (abbr.)
ENVSThey may be self-sealing: Abbr.
ENVSLtr. holders
ENVSLtr. carriers