Aluminum can with twist locking cap is lightweight, rust resistant, and sprays at any angle. Extreme insect protection - formulated for the needs of outdoor enthusiasts. Non-greasy. Perspiration-resistant. Repels mosquitoes that may carry diseases such as West Nile Virus, Dengue Fever, Encephalitis as well as biting flies, gnats, chiggers, ticks and fleas. Provides 8+ hours of unscented protection.