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. SAFE MATERIAL: These frames are made of plastic, have HD plastic cover. When they fall to the ground, you won't worry about hurting the kids. 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.