We offer 5 mat board sizes to fit in our 12×12″ natural black walnut wood frames. We are passionate about conservation and use an acid free 4 ply mat board to protect your photographs. Designed to last forever so all of those beautiful photographs you make can quickly be framed artworks. We love this photograph by Cindy Loughridge and can’t wait to see what you decide to Instantly Frame. Download your app and get started today.