[A4 LETTER SIZE]: The magnetic signs use standard A4 Letter sized paper 8.5"x11". Great to display papers or pictures that you want posting. Package include：6* gold magnetic sign holders. NOTICE: THIS IS NOT A REAL WOOD PICTURE FRAME. [FLEXIBLE & DURABLE]: This magnetic sign holder made of double layer soft durable clear pvc, and self-adhesive and magnet backing, it is waterproof and moisture-proof. The magnetic closure reliably holds a letter size sheet of paper, easy to open and close. [MAGNET& STICKER BACK]: The magnetic signs backside is both self-adhesive and magnetic. it can magnet in the refrigerator, whiteboard chalkboard or cabinet on the steel surface directly. or you can adhesive it on a smooth, solid surface just like a glass wall. [PERFECT DISPLAY]: This magnetic sign holder provide a nice, organized way to post information, picture, notice, advertise, product sale, certificate, awards, guideline in stores, office, restaurants, supermarket, school, cafes, company, bank. Great for use in the home to present scheduled photographs and artworks on a refrigerator or cabinets. [EASY TO USE]: The magnetic document holder was super easy to attach and you can swap out the signs quickly and easily. No need for tools, just peel off the back white protective paper-Stick. Opening the front frame, Place your poster inside, it would work great for some sort of business where you need to exchange and remove a sign daily.