Using these fake nails is a breeze. First, clean your natural nails thoroughly to remove any dirt or oil. Then, choose the right size nail from the 10 available sizes (0 - 9) for each finger. Apply a small amount of nail glue on the back of the fake nail and press it firmly onto your natural nail for a few seconds until it sticks. When it comes to removal, soak your nails in warm, soapy water for about 10 - 15 minutes, and gently peel off the fake nails. To keep them in good condition, store them in the provided box when not in use. Avoid exposing them to harsh chemicals or excessive heat, as this may damage the acrylic material.