ãWHAT YOU GETã300 packs 0.5 gram silica gel desiccant packets. (Packet dimension: 0.7inches x 1.3inches) A ziplock bag sealed outside, convenient to protect the rest of desiccant packs from moistureãGREAT ABSORBING CAPACITYãSilica gel beads can absorb 40% of its weight in water vapor and 15% in the first two hours. No change in size or shape even the desiccant beads become saturated, feels and looks dry, keep everything dry and safe. In very humid conditions suggest use more packs to be more effectiveãINDICATING DESICCANTSãOur desiccant bags contain orange indicating beads that enables users to quickly determine when desiccant needs to be recharged or replaced, the orange crystals changing color to blackish green when they become saturated with moistureãFOOD SAFEãOur silica gel packets are Cobalt chloride free, and odorless. Absorb moisture without any chemical reactions. Safe to be used with foods and medicinesãWIDE USAGEãUse desiccant packets to protect your important documents, collectibles, books, valuable computers, electronics, camera lens, jewelry, photo album, leather items, shoes, jewelry, guns, ammos, etc.Outstanding Features:Silica Gel Beads: 2-4 mmï¼90% transparent beads + 10% orange beadsï¼Weight increase up to 40% when saturated and 15% in the first 2 hours, no Cobalt Chloride.No change in size or shape even if the silica beads become saturated with moisture. The beads will continue to feel and look dry.Eliminates condensation and controls humidity.Each packet is self-sealed, strong, and tear-resistant.Package Includes:300 packs 0.5-gram Silica Gel Desiccant Packet300 Packs 0.5 GramSilicone