The rack/frame are made of acrylic and the lenses are CR39 with a 19mm diameter. There are 32 lenses in total including powers of 0.50, 1.00, 1.50, 2.00, 2.50, 3.00, 3.50, 4.00, 5.00, 6.00, 7.00, 8.00, 9.00, 10.00, 12.00, and 15.00 in plus and minus. The dimensions are 28x5cm. Includes a leather carrying case. 

Model: HR-20.RS-2R32PLS