3 Boxes in the lot (1500 Envelopes), Perfect condition. QUA-69122, 500 Per Box – 3 Boxes….. Exterior boxes may show damage or be written on, however envelopes in perfect condition, seal in good shape and sticks.. ClosureRedi-Strip Seam TypeDiagonal Security TintedYes Color(s)White Envelope Size4 1/8 x 9 1/2 Envelope/Mailer TypeBusiness/Trade Trade Size#10 Flap TypeCommercial Weight24 lb Window PositionNone ExpansionNo Exterior Material(s)Paper FinishWove Custom Imprint IncludedNo Format/BorderStandard OpeningOpen Side Pre-Consumer Recycled Content Percent0% Post-Consumer Recycled Content Percent 0%