Metal-bodied with strong metal hinge - closes securely! * Lined with a plush styrene interior to protect your eyeglasses. * Fits small to medium frames. Great for reading glasses! * Interior Dimensions: 5-5/8 x 1-3/4 x 1 (in inches); Exterior Dimensions: 6 x 2-1/8 x 1-1/16 (in inches) * Trim, sleek, and stylish!