Metal-bodied with strong metal hinge - closes securely! * Lined with a plush styrene interior to protect your eyeglasses * Fits medium to large-sized frames * Interior Dimensions (in inches): 5-3/4 L x 2-1/4 W x 1 H; Exterior Dimensions: (in inches) 6 L x 2-5/8 W x 1-1/8 H * Trim, sleek, and stylish!