Cobalt-free indicator card 6-point type 10-60% 1 case (200 sheets x 5 bags) (10-60) LEV1000 1 case (200 sheets x 5 bags)

You can check the humidity inside the pack from the outside. Reversible Cobalt-free Exterior: Aluminum bag Quantity: 1,000 pieces (200 pieces/aluminum bag x 5 bags) Display humidity: 10%-60% Standard: 6-point Size: Approx. 35 x 105 mm Accuracy: ±5% (24℃) Color change: Brown → Light green