9 Regular 3-7/8x8-7/8-Inch White Envelopes , 100 Count

#9 Envelopes Letter Size - 100 Pack - 3 7/8 x 8 7/8 inch White Business Envelopes with Gummed Seal - Return Mailing Envelopes - Legal Envelopes for Checks, Invoices, Statements - 24lb Plain Envelopes

Aimoh #10 Security Self Seal Envelopes – 100 Qty |No Window, EnveGuard, 4⅛ x 9½", White, 24 LB, 100 Count (34100)

Avery Easy Peel Printable Address Labels with Sure Feed, 1" x 2-5/8", White, 750 Blank Mailing Labels (08160)