3M Anti-Tarnish Strips 防銹紙 

$80 for 5 pieces 

$150 for 10 pieces 

$250 for 20 pieces 

3M Anti-Tarnish Strips 防銹紙, Size: 7" x 2" , 保存長笛和銀樂器必備品, 放在保存盒裡面, 作用是防止銀器和鍍銀部件氧化. 有效期6~24個月. 

Chemically treated paper, protects metal from oxidizing and discoloration for approximately 6 ~ 24months. Best if used in a sealed, air-tight container or bag and they will last even longer. They protect silver, nickel, copper, bronze, brass, gold and pewter. They can protect your valuable silver musical instrument, eg. Flute, Piccolo, Clarinet, Trumpet and Saxophone...