square-frame tortoiseshell sunglasses square-frame tortoiseshell sunglasses from TOM FORD Eyewear featuring brown, acetate, tortoiseshell effect, square frame and curved tips. These glasses come with a protective case.. Made in Italy Composition Acetate 100% SIZE & FIT Measurement Arm Length 5.7 in(14.5 cm) Bridge Width 0.6 in(1.5 cm) Lens Diameter 2.3 in(6 cm) Total Width 5.7 in(14.5 cm)