Made with 1000 Denier nylon that is extremely durable and water resistant. The inside is lined with heavy fleece and 6 pockets to hold your propellers and helicopter blades up to 32" (815mm). Between the nylon and the fleece is a layer of 1/8" closed cell foam to help protect your propellers from dings and dents. The zippers go around three sides so the props can be inserted. Dimensions: Length:35" (890mm) Width: 13" (330mm)