Harris Bed Bug Killer, 32oz Spray Long Residual - Continues to kill bed bugs weeks after application Great Value - 32 ounces allows for repeated applications on an on-going basis to effectively eliminate bed bugs Odorless Formula - Odorless and non-staining formula will not cause damage to fabrics when used according to label directions EPA Registered - Approved for use in homes with people and pets by the Environmental Protection Agency (No. 3-11) Trigger Sprayer - Use the included trigger sprayer to effectively treat areas where bed bugs are hiding