These black and white solid color slim-fit elastic trousers are very easy to use. Just put them on like you would with any other pair of pants. For everyday wear, you can pair them with a simple T - shirt and sneakers. For a more formal occasion, team them up with a dress shirt and dress shoes. When it comes to maintenance, it's best to follow the care instructions on the label. Usually, you can machine - wash them in cold water with like colors to keep the fabric in good condition. Avoid using harsh detergents as they might damage the elastic material. Also, check the size chart carefully before buying to ensure you get the right fit. If there are any stains, try to treat them as soon as possible to prevent them from setting.