Amazon.com - LaVie Home 5x7 Picture Frames (6 Pack, Silver) Simple Designed Photo Frame with High Definition Glass for Wall Mount & Table Top Display, Set of 6 Classic Collection
Helpful Photo Frame Size Conversion Chart for Standard Frame Sizes
Amazon.com - Americanflat A3 Picture Frame in Black - Composite Wood with Shatter Resistant Glass - Horizontal and Vertical Formats for Wall - 11.7 x 16.5 in