These leggings are super easy to use. Just pull them on like any regular leggings and you're good to go for your daily activities. For the best fit, choose the size according to the provided size chart. When it comes to maintenance, it's recommended to machine wash them in cold water with like colors. Avoid using bleach as it may damage the fabric. After washing, tumble dry on low or hang them to dry. Also, be aware that due to monitor differences, the color you see on your screen might not be exactly the same as the actual product color.