Dry-Packs 40 Gram Silica Gel Desiccant Fits Pelican Cases - DP40CAN-ALT1 Description Dry-Packs brand Silica Gel Canister fits Peli Pelican camera cases. Desiccant Silica Gel drinks dampness, prevents condensation from trapped air when cases are opened in damp, high humidity climates. Fits all cases. Size: 2 x 4 x 1/2". Features: Silica Gel 2 x 4 1/2 Inches Sturdy Aluminum Housing Moisture Indicator lets you know when you need to bake to reactivate! Cobalt Chloride Free - NO BLUE SILICA GEL! Identical Size as the Pelican 1500D Peli Desiccant Product Details: Product Dimensions: 4 x 2 x 0.5 inches Item Weight: 1.6 ounces Manufacturer: Fairly Odd Treasures LLC Country of Origin: China Item model number: DP40CAN-ALT1 Is Discontinued By Manufacturer: No Assembly required: No Batteries required: No