Amazon.com: Delatanus 100Pcs 5 1 2 x 7 1 2 Inch Clear Cellophane Cello Bags,Thick Greeting Card Plastic Sleeves Fit 5 X 7 Inch Cards with Envelope A6 A7 Photos Candy Treats 1.6 Mil : Health & Household Clear Plastic Sleeves for Cards Greeting Card Sleeves The Cello King I've just out together two handmade assorted 5 piece Seaglass Art greeting card sets. They are 5x7 with an envelope and a plastic sleeve. They are priced at $28 for each set. Buy Greeting Card Sleeves A7, Lee or Linwood , Safe Tape on Outsi Clear Square Greeting Card Bags and Notecard Sleeves, Packs of 100 Pieces, Choice of 8 Different Sizes Blue Summit Supplies Baseball Card Sleeves, 900 Pockets, Binder Sheets for Protecting Business Cards, Collector Card Sleeves, 100 Pack