These pants are super easy to use. Just slip them on through the elastic waistband. You can wear them for casual outings, like going to the park or hanging out with friends. When it comes to washing, you can machine - wash them in cold water with like colors to keep them looking new. Avoid using bleach as it might damage the fabric. After washing, tumble dry on low to prevent shrinking. Always check the size chart before buying to ensure a perfect fit. And remember, different suppliers may have slightly different sizing, so take your time to pick the right one.