Amazon.com - Neil Enterprises Inc. 3.5x5 Acrylic Bent Easel Frame - Pack of 50 - Single Frames
Amazon.com - KINLINK 5x7 Picture Frames Oak Color - Beige Wood Frames with Acrylic Plexiglass for 3.5x5/4x6 with Mat or 5x7 without Mat, Tabletop and Wall Mounting Display, Set of 4