Using these Bat French Press - On Nails is easy. First, select the right size nail from the 24 - piece set. Clean your natural nails with the nail file provided to ensure better adhesion. Apply a small amount of the included nail glue to the back of the press - on nail. Then, press it firmly onto your natural nail and hold for a few seconds until it sticks. When it comes to maintenance, avoid soaking your nails in water for long periods as it can weaken the glue. Also, be gentle when handling objects to prevent the nails from chipping. If you need to remove the nails, soak them in warm soapy water for a few minutes and gently peel them off. Make sure to clean your natural nails after removal to get rid of any remaining glue.