6,000 gauss high strength magnets.
24K gold plated.
4.0 x 1.6 mm thick permanent magnets with 19mm (3/4" dia.) elastic plaster.
The smooth face of the north pole is facing up, the south pole is on the underside i.e. facing in the same direction as the adhesive side of the plaster.
12 pcs / sheet
1 sheet (12 pcs) / box
Made In Japan.