BEADSMITH SHINE RITE Anti Tarnish Tabs Strips 50 1x1" 3M Tarni-shield USA Right
From the manufacturer: The 3m strips and tabs have approximately 2 years shelf life after put into service (taken from the manufacturer's packaging). We have reports from many customer who have had these last 5-7 years. Keep enclosed tightly when not in use to extend the shelf-life. Just place in a resealable bag.
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