The Cutter Eclipse Zone Mosquito Repellent Refill Outdoor White 4 Pack provides up to 40 hours of protection against mosquitoes. This liquid repellent, with an EPA registration number of 9688-356, is specifically designed for outdoor use. The white color and compact size make it easy to pack and apply while camping, hiking, or engaging in other outdoor activities. With a focus on repellence, this product effectively deters mosquitoes to ensure a comfortable and enjoyable outdoor experience.