Card Sleeves, Magnetic Card Holder, Toploaders manufacturer / supplier in China, offering Sheet Protector with 3 Holes 8.5 X 11 Inch Plastic Sleeves for Binders Top Loading Paper Sheets Document Sleeve Letter Size, Business Envelope Size Toploader Holders Rigid PVC Plastic Topload Holder 9 3/4 X 4 7/16, First Day Cover Toploader Top Loader Premium Envelope Protection Top Loaders for Cards Photos and Postcards 7 1/8 X 4 3/16 and so on.