Product Contents: Size: Thickness: 1.0 inches (2.5 cm); Length: 15.7 inches (40 cm); Material: Tab material. *Tab material is highly durable and resistant to corrosion. Weight per piece: Approx. 4.6 - 5.3 oz (130 - 150 g); Main uses: For long drums, Japanese drums, Japanese drums, Japanese drums. Note: Specific weight cannot be specified. ※The weight is an average weight. You may receive a lighter drab or heavier bee than the noted notation.