Repellent Balls 3 Pack BedBug360 Balls use our natural and pesticide-free ArthroShield to protect against arthropods and crawling insects. They encapsulate our proven formula in a portable, slow-release sphere that is perfect for travel, school, work, and home! Best of all, bed bugs cannot become immune to our BedBug360 Balls, which breaks the breeding cycle and keeps you safe! Repels for 60 days Chemical free Easy to use—installs in less than 5 minutes University and entomologist designed and tested Safe for humans and pets Patent Pending Technology EPA 25B Approved