what size is an a7 envelope

JAM Paper 9 3/4'' x 13'' 12pk Plastic Envelopes with Button and String Tie Closure, Letter Booklet

Link #4 9.5" X 14.5" Kraft Paper Bubble Mailers Padded Self Seal Shipping Envelopes Pack of 10/25/50/100

Link Size #5 10.5"x16" Poly Bubble Mailer Self-Sealing Waterproof Shipping Envelopes Pack Of 10/25/50/100

Juvale 300 Pack Clear Greeting Card Sleeves, Transparent Envelopes for 5x7 Invitations, Photos, 7.6 x 5.7 In

Link Size #00 5"x10" Poly Bubble Mailer Self-Sealing Waterproof Shipping Envelopes Pack Of 25/50/100/250

JAM PAPER A9 Premium Invitation Envelopes - 5 3/4 x 8 3/4 - Dark Purple - 50/Pack

JAM PAPER #7 Coin Business Colored Envelopes - 3 1/2 x 6 1/2 - Red Recycled - 100/Pack

UOFFICE Clear Resealable Cellophane Bags, 11" x 14.2"

Fosmon 6" x 9", Self-Seal Tear-Proof Polyethylene Mailers

Link Size #1 7.25"x12" Poly Bubble Mailer Self-Sealing Waterproof Shipping Envelopes Pack Of 10/25/50/100

6 x 9 Clasp Envelope

Fosmon #0 Colored PINK Poly Bubble Mailer 6.5" x 10", Padded Shipping Envelopes, 6.5 x 9" Usable size - 25 Pack

Paper Junkie 50 Pack Black 4x6 Envelopes with Gold Lining for Birthday Greeting Cards, Wedding Invitations, Self-Adhesive, A6