Custom Design Your Own - (Portrait Orientation) Key Card Envelopes Case of 10,000Case of 10,000 is the minimum for custom key envelopes. Envelopes will be delivered within 3 4 weeks of order and artwork approval. Printed on 60 lb uncoated paper for a high quality feel Emphasize your property's logo, with images and text Designed to hold a single key card or 2 key cards Sturdy envelope protects key cards from damage Impress guests with these elegant keycard envelopes that showcase your custom design and prevent card damage.