White A7 Envelopes (5 1/4" x 7 1/4") with Square Flap - 70lb Text Thickness - 1000 Envelopes BULK Bulk Packaged A7 White Envelopes - 1000 Envelopes in a case Made from Quality Heavyweight 28lb bond / 70lb text (105 gsm) White Paper Stock Inkjet & Laser Compatible & Features a Square Flap A7 Size Envelopes measure (5 1/4" x 7 1/4") and fit 5" x 7" Cards Perfectly Features a Gummed Square Flap for Sealing