Free 500g Blue Silica Gel Bottle for each dry box purchase! Upgraded with Digital Hygrometer F380 Pro Series Dry Box! Dry box is a very important piece of tool to keep your belongs away from fungus,dust or deterioration and well kept in tip-top condition. Get one home to save your cost on Few Hundred dollar to service your equipments. External Dimension : 265mm*183mm*125mm Internal Dimension : 236mm*156mm*101mm (Highlight Features) - Low cost - Protect valuable products from humidity