[20 Packs] Dry & Dry Premium Cobalt Free Humidity Indicator Cards(6 Spots)

You are now bidding on Brand New 20 Pack of Cobalt Chloride Free Humidity Indicator Cards - 10-60% 6 Spot(20 Cards) . Card Dimension : 1.5"(3.8cm) x 4.5"(11.5cm) Cobalt Chloride Free Premium Quality - Eco Friendly Humidity Indicator Card 66 Spots Humidity Indicating - (10%/20%/30%/40%/50%/60% RH) - Clear Color Change Indicator Changes Green to Purple(Violet) - Green(Dry) to Purple(Humid) Major Electronics Companies use this cards   Free Shipping Froo www.froo.com | Froo Cross Sell, Free Cross Sell, Cross promote, eBay Marketing, eBay listing Apps, eBay Apps, eBay Application