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Amazon.com : Amazon Basics Plastic Business Card Holder, Protector Sleeves for 3-Ring Binder, Transparent, 25-Pack : Office Products
Avery® Clear Business Card Organizer Pages for 3 Ring Binders, 10 Pages Per Pack, 3-Pack, Holds 600 Cards Total (78723) | Avery.com
Amazon.com : Flight Crew Checklist Binder (Black) with 5 Loose Leaf Rings - Includes 25 Sheet Protectors and Business Card Size Pocket ON Front Cover for Label, for 8" X 5" Paper : Office Products