Very durable soft plastic design with slim profile. 5mm thick with insert area on inside front cover. Clear translucent plastic with smooth round edges.Slim space saverFixed place hub provides more protection for CD or DVDApproximate Dimensions:External: 128 mm x 125 mm x 4.6 mmInches: 5" x 4 7/8" x 1/8"Spine: 4.6 mm (1/8")