Frame size: 3.5"x3.5"x0.8" Material: plastic frame / stand, durable PET membranes A truly unique way to display your treasured collectible If there is a wrinkle on the membrane, smooth out it by using a hair dryer Challenge coin not included Medals and coins are held in place by two flexible silicone membranes which make the item appear to be "levitating" in the frame. These membranes will conform to the shape of most any item.