1. Material: MDF, cardboard, cardboard with velour/velvet, matboard, leather, etc 2. OEM is welcomed Photo frames backboard (easel back, picture frame stands, backing board)Material: MDF, cardboard, cardboard with velour/velvet, matboard, leather, etcSize: 3.5*5, 5*7",8*10", 11*14" and other sizes as per customer requestThickness: 2.0-5.0mm or other sizeOEM is acceptable Velvet Easel Back