*Adjustable DIY Easel Backs, 5 x 7 Inch Solid Black Cardboard Back, Fits Most Photo Frames, Perfect for Pictures, Tiles, Art & More, 6-Pack while, 8 x 10 Inch Solid Black Cardboard Back having 4-Pack, USA Made 𝟓” 𝐱 𝟕” 𝐯𝐚𝐫𝐢𝐚𝐭𝐢𝐨𝐧: 5” x 7” inch outside dimension can fit flush on any frame with a 5” x 7” outside dimension (usually 3" x 5" or 4” x 6” photo size). For this type of application back must be affixed to the frame with glue or nails/screws/staples replacing the easel back that was installed originally. Also fits any 5” x 7” photo frame where inside dimension is 5” x 7”. 𝟖” 𝐱 𝟏𝟎” 𝐯𝐚𝐫𝐢𝐚𝐭𝐢𝐨𝐧: 8” x 10” inch outside dimension can fit flush on any frame with an 8” x 10” outside dimension (usually 4" x 6", 5” x 7” or 6” x 8” photo size). For this type of application back must be affixed to the frame with glue or nails/screws/staples replacing the easel backs that was installed originally. Also fits any 8 x 10 photo frame where inside dimension is 8” x 10” 𝟓” 𝐱 𝟕” 𝐄𝐚𝐬𝐞𝐥 𝐛𝐚𝐜𝐤: Sliding leg ensures any 5” x 7” picture frame with up to a 1 1/2” wide moulding will sit at the proper angle. For this "insert" application you must measure to make sure the opening the back must fit into is 5 x 7 and the moulding to ensure it is not wider than 1 1/2" for proper use. 𝟖"𝐱𝟏𝟎"𝐄𝐚𝐬𝐞𝐥 𝐛𝐚𝐜𝐤: This Easel stand ensures any 8” x 10” picture frame with up to a 1 1/2” wide moulding will sit at the proper angle. For this "insert" application you must measure to make sure the opening the back must fit into is 8 x 10 and the moulding to ensure it is not wider than 1 1/2" for proper use. NOTE* Since there are so many different styles and sizes of picture frames it is important to take these measurements before ordering *Stand or Mount: Two-way, bi-directional easel leg enables vertical or horizontal table display. 2 metal hinged hangers allows for wall mounting.