Using Tracy's Dog UV Sterilizer Bag is super easy. First, plug it in and power it up. Make sure to keep the bag upright. Then, put the items you want to disinfect into the bag and zip it up tightly. To start the sterilization process, double - click the button. You'll see the indicator light up, which means the disinfection has begun. In just 5 minutes, the indicator will turn off, indicating that the process is complete. When using the bag, avoid overloading it with too many items to ensure proper disinfection. Also, keep the bag away from water to prevent damage. For maintenance, clean the inside of the bag regularly with a dry cloth to keep it in good condition.