The frame holds a picture or photo 2 5/8" x 3 1/8".The frame moulding is 3/4" wide, perfect proportion for the small paintings, photos, trading cards etc. The glass is museum glass. Unlike non -glare it does not have that distracting etched appearance. It is 99% UV protective. The finest glass you can get. Frame can be used horizontally or vertically. Screw eyes and backing are provided. Also has an extra piece of mat board if you want to close the back to display on a shelf and not hand. The frame is made of environmentally sustainable products. It is a type of polyester made from fermented plant starch which is made into lactic acid and then into PLA. It is a very durable material.