SIZE: The 16x20 frame matted to 11x14, you can put in 16x20" (40.6x50.8cm) picture, or 11x14" (27.9x35.6cm) with mat. The actual display size will be 0.5 inches smaller than the picture size to better stabilize the picture. MATERIAL: These frames are made of plastic, have HD plastic cover. When they fall to the ground, you won't worry about hurting the. EASY TO INSTALL: Don't worry about your strength,this poster frame design with spring type action are easy to remove the backing,can be hung horizontally or vertically. IDEAL GIFT: 2 pack picture frames pair well with family photos/events, Christmas, anniversary, wedding, baby shower, housewarming, best friend picture frames and more. PROTECTIVE PACKAGING: The frames are wrapped very carefully to ensure shipping. You don't have to worry about receiving damaged products. Meet with poster frames, enjoy a simple life. Multi color provided, fit any style of picture or room. 1 Black 2 White 3 Gold 4 Brown 5 Natural What's the frame material? The frame is made of plastic so that you can hang it easily on the wall and comes with a HD plastic cover, which is clear enough and will not hurt you even if broken. How to select the size? For example, with our 11x14 frame, you can put 11x14 picture without mat or 8x10 with mat, 2 sizes for application, which is noted in title. Why is the picture partially covered? Please note, for preventing picture falling out, the opening size is designed a bit smaller than the actual picture size.16x20