Get these inexpensive cardboard Shipping Boxes for all your dental laboratory’s shipping needs. The sturdy 5-1/4″ x 5-1/4″ x 5″ (133.3 x 133.3 x 127 mm) box is ideal for a wide variety of appliances for dental labs and dental practices alike. The boxes are shipped flat and are easily assembled. There are 100 boxes per package.