100% waterproof protects valuables, clothes, purse, provisions etc. If you work and play, it can protect to waterproof under the water, in the rain. Material particular, durable, hard wearing, waterproof. Use wide, outdoor surf, carried by the current, boating, mountaineering. Material soft, conform the standard of EN-71, leak tightness extra strong. High-frequency voltage colliquefaction technics, within 500D and 1000D twin wire, strong pull. Fit for heat storm, extremely cold, and sandstorm. Material: PVC 500D coated with nylon netting lamination.