【Indicating Silica Gel Beads】: 8lbs indicating silica gel utilize premium quality raw material: cobalt chloride-free orange indicating silica gel. Each Blue indicating bead is 2-4mm in size. 【Great Absorbing Capacity】: General estimate when used in an air-tight sealed container: each 40 grams of active, the indicating silica gel can protect up to 30 cubic ft of any enclosed storage space.
eBay