Add a case of Repel to your outdoor equipment and your family and friends will enjoy seasons of bite-free outdoor fun. Infused with 40% DEET, this perspiration-resistant formula repels mosquitoes, ticks, gnats, biting flies and chiggers for hours. Per 12. Size: 6.5-oz. spray cans. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Repellent Sprays.