You must be at least 16 years old to use these contact lenses. If you're under 16, you'll need approval from your parents or guardians. General tips for using colored contact lenses: First, always wash your hands well before you touch the lenses. You can wear them for up to 8 hours a day. Don't sleep while wearing them, and never share your lenses with others. Make sure to rub and rinse your lenses with a proper disinfecting solution. Keep water away from the lenses. If you're using any eye medication, don't wear the lenses. Also, never wear damaged or dirty contact lenses. Warning: When you buy these lenses, you're responsible for any issues that might happen due to improper use, poor care, or if you can't wear them. If you experience any side - effects while using the colored contact lenses, take them out right away and talk to an eye care professional before using them again.

Using these Zombie II colored contact lenses is easy, but there are some important things to keep in mind. First, wash your hands really well before you touch the lenses. You can wear them for a maximum of 8 hours each day. Don't take a nap or sleep with them on. And never share your lenses with your friends or family. After taking them out, use a disinfecting solution to rub and rinse the lenses. Keep them away from water. If you're using any eye drops or other eye medicine, wait until you're done using it before putting the lenses in. Also, always check the lenses for any damage or dirt. If they look bad, don't wear them. If you feel any discomfort or notice something wrong while wearing the lenses, take them out right away and go see an eye doctor before using them again. You're in charge of using and taking care of these lenses properly.