STOBOK 20pcs Photo Frame Paper Picture Frames Mats Photo Frame Mat DIY Photo Backing Board Artwork Frame Mat Pre-Cut Frame Mat Uncut Photo Mats White Quilled Paper Lining : Amazon.co.uk: Home &
DIY OVERSIZED MAT & SQUARE FAMILY PHOTO FRAMES — KENDRA FOUND IT
DIY photo mats- a great way to reuse old pieces of cardboard