The frame moulding is 1/2" 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. 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.