20 Gram Pack of 100"Dry&Dry" Silica Gel Packets Desiccant Dehumidifier Packet dimension : 3" x 4" Silica Gel Beads Size : about 1 ~ 3 mm Packet Material-Fabric by Spunbond Technology for Ultimate Moisture Absorption & Heat Resistance Packets can be reactivated by heating in an oven for 3-4 hours at 240 degree fahrenheit Packets come in re-close-able stand up foil pouch bag for easy storage and use. 120 cubic inch      -      1 gram 240 cubic inch      -      2 gram 360 cubic inch      -      3 gram 600 cubic inch      -      5 gram 5 Gallon Bucket    -     10 gram 2 cubic feet           -     30 gram 4 cubic feet           -     60 gram <span class="a-text-bold">Packet Dimensions:</span> 3&#034; x 4&#034; <span class="a-text-bold">Type of Beads:</span> White Beads <span class="a-text-bold">Packet Material: </span>Fabric/Cloth <span class="a-text-bold">Packet Net Weight:</span> 20 gram These packets do not contain indicating beads and will not change color when they are saturated.