White 4x6 Envelopes - 50 Envelopes - Heavyweight - A4 Size (4 1/4" x 6 1/4") - Made to fit 4" x 6" Photos or Cards 4 1/4" x 6 1/4" Envelopes - A4 Size Made to fit 4" x 6" Photos or cards perfectly Quality White 28lb bond / 70lb text Paper Stock Inkjet & Laser Printer Compatible Booklet Style Square Flap - Gummed for Sealing