1 x 2 1/2 x 1/4" Tyvek® Clay Desiccants - 5 Gallon Pail. Ultimate moisture and corrosion protection for shipments! Use to protect products vulnerable to moisture damage during storage and transport. Ideal for protecting pharmaceuticals, nutraceuticals, diagnostics, electronics and food. Bags are strong, durable and allow for extremely high adsorption rates. Activated clay desiccant filling is a free flowing granular material with high moisture adsorbing ability from 20-80% relative humidity under normal packaging and storage conditions. Meets FDA specifications for direct contact with food and drugs. Protects 0.14 Cubic Feet.