Off. Post-Bug Bite Patches for adults and kids protect irritated area from scratching with a stick-on patch, no need for messy creams. Designed for itchy bites, these mess-free patches wear flush with the skin and flex for optimal comfort. Great for kids and adults, keep Off. post-bite patches on hand in diaper bags and first aid kits. Add these patches to your outdoors essentials kit and take anywhere. How to use - After a bite has occurred, clean and dry the affected area, then apply hydrocolloid dressing patch, replace as needed. Protect the entire family from mosquito bites with Off. brand insect repellent sprays and lotions.