Maximum insert dimensions: 5 5/8 x 4 1/8 inches; overall product size: 5 7/8 x 4 3/8 inches. Features a standard 1/4" opening drop and opens horizontally along the long side. Constructed with a 6 mil clear vinyl front and adhesive backing that peels and sticks to various smooth surfaces. As the manufacturer, we customize exact sizes, materials, and options to your requirements.