Silica Gel Desiccants 2-1/4 x 1 1/2 Inches - 25 Silica Gel Packets of 10 Grams Each by Dry-Packs Helps to keep moisture away from your valuable computers and equipment Silica Gel can adsorb up to 40-percent of it's weight in moisture and 15-percent in the first 2 hours Reduce condensation and remain dry even during humid, damp conditions Meets FDA specifications for food and drug products Packets of 10gm protects 470 cubic inch