Dry & Dry [20 Packets] 30 gram Premium Quality Silica Gel Packets Desiccant Dehumidifier - Rechargeable Fabric Packet dimension : 4" x 4" , Silica Gel Beads Size : about 1 ~ 3 mm Premium Quality (30+ Year Experience in Silica Gel Desiccant) - Pure & Safe Silica Gel without Cobalt Chloride. NO RISK Packet Material is Special Fabric by Spunbond Technology for "Ultimate Moisture Absorption" and "Heat resistance for Reuse". Packets can be Reactivated by Heating in an Oven for 0.5-2.0 hours at 200-250 F Or Microwave for 10 Minutes at DEFROST. - Packets are stored in Resealable Self-Standing High Quality Bag for Easy Storage and Use(Air Tight Sealing & Sturdy Bag for Moisture Control). We REALLY Want Our Customers to be HAPPY with Our Products. If You are not Happy, We are not Happy. Please contact us. We will Give You Free Replacement or Full Refund Even BEYOND REFUND PERIOD. 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> 30 gram These packets do not contain indicating beads and will not change color when they are saturated.