Hotel Key card holder (folder with pocket) 3+3 – Hotel printing supply
Key Card Holders vs. Hotel Card Sleeves
Amazon.com : Hotel Supplies, Welcome Hotel Key Card Holder, White Hotel Room Key Card with Room Assignment 3.5" x 2.5" (3-1/2" x 2-1/2") (100) : Office Products
Amazon.com : 500 Guardian Key Card Holder Sleeves, “Enjoy Your Stay” Printed Card Sleeves, Use as Credit Card Sleeves, Gift Card Holders, or Hotel Key Card Envelopes, Writeable & Printable Gift Card
Amazon.com : Hotel Key Card Holder/Sleeve/Envelopes/Cover (Box of 1000 Envelopes) Fits up to 4 RFID or Magnetic Stripe Hotel Key Cards. Envelope Size 3.55 inch Height * 2.37 inch Width. : Office Products