A7 Greeting Card Envelopes - Classic Linen Avon Brilliant White with Foil Lining. Envelopes Size: 5-1/4 x 7-1/4 - 25 Envelopes Per Pack. A7 Heavyeight Envelopes, Greeting Card Envelopes , Size: 5 1/4 x 7 1/4 Laser Printer & Ink Jet compatible Silver Foil Lining 25 Envelopes per Pack Made from a 80lb linen Bond Stock