Amazon.com - Anozie 4x4 Picture Frame Black, 4 x 4 Picture Frame Square with Real Glass for Wall or Desktop Decoration, Minimalist Style Suitable for Photos, Artworks, 4 Pack
Amazon.com - Realnique Black 4x4 Picture Frames [4 pack] Patented wall-mounted socket enables quick frame changing, rotating, and floating off-wall appearance. Front loading square photo frames.
Amazon.com - ZingVic 2Pcs 4x4 Inch Wood Picture Frame, Paint Black Color, Distressed Style Small Square Frames, For 3.5x3.5 Pictures, Farmhouse Home Decor or Gift, Display on Table Desk Top or Wall