PREMIUM QUALITY - RUBEX Heavyweight business card organizer sleeves are 3.2 mils thick, PVC free, acid free, odor free and made of environmentally safe recyclable polypropylene. Hole line is reinforced with a white polypropylene reinforcement strip for extra strength and durability.
ARCHIVAL SAFE - PVC free, acid free and archival safe business card holders sleeves for ring binders are made with non-stick material that avoids lifting or transferring ink to the binder sleeves while it is stored in shelves, archives, safe boxes or plastic boxes.
Heavyweight Business Card Holder, Business Card Sleeve Pockets Hold 3.5 x 2 Inch Business Cards, Credit Cards, Business Card Sleeves Fit 3 Ring Binders, Acid Free, Archival Safe, Pack of 30