Granite Gear Cloud Cover Pack Fly Assorted Colors Medium. Made from 30-D Sil Cordura Nylon Ripstop. Designed for packs less than 4000 cubic inches. Check out the Storm Cell if you need a pack fly for a pack above 4000 cubic inches. Specifications for Granite Gear Cloud Cover Pack Fly: Manufacturer: Granite Gear Weight: 3.9 oz Fabric/Material: 30D Sil Cordura Nylon Ripstop Condition: New Water Resistance Level: None Package Contents: Granite Gear Cloud Cover Pack Fly Granite Gear 23332-PC: Cloud Cover Pack Fly Assorted Colors Medium