Amazon.com: Xuhal Acrylic Business Card Frame 2.5 x 3.5 inch Clear Double Sided Block Set, 20mm Thickness Frameless Magnetic Photo Frames Stamp Display Stand for School Home Office Decorating Supplies (6 Pcs) :
Interlocking Card Frame - Black
Amazon.com: Creative Picture Frames 2-2" x 3.5" Double Opening Black Business Card Frame with 8" x 10" Double Black-White Mat, Frame, Easel and Installed Wall Hanger : Home & Kitchen