Size: Approx. 3.1 x 3.9 x 0.05 inches (8 x 10 x 0.14 cm) per sheet; Weight: Approx. 0.4 oz (10 g); Material: Vaporization Digestive Bacteria and Mildew Resistant Sheet (ParachloromeXylenol, Pulp); Country of Origin: Japan Contents: 3 sheets (tri-type = 2 sheets, flat = 1 flat = 1 pieces)