Grandpa Gus Mosquito Repellent Bands have you covered whether you are camping, fishing, hiking, boating, walking, biking, gardening or at a backyard BBQ. Grandpa Gus mosquito repellent bands are safe for kids and pregnant and nursing women when used as directed. Each band provides a 3-foot zone of protection. Wear additional bands to ensure enough coverage for your exposed skin. They're easy to travel with. No greasy residue.