This cleverly designed eyeglass case features a handy flex frame—simply squeeze to open the case and release to close it. The flex frame even includes special loops allowing you to attach a chain or hook the case inside a larger bag. Use thick fusible fleece to keep your glasses safely protected inside. Finished Size: 3.5in wide x 7.75in long x 1.25in deep (9 cm wide x 19.5 cm long x 3 cm deep) Pattern includes one 4.75in x 3/8in (12 x 1 cm) flex frame to make the case.  Refill Frame Available.