To use this beach tunic, simply slip it on over your swimsuit. It's great for a casual stroll on the beach or relaxing by the pool. When it comes to maintenance, you have two options. You can either hand wash it gently to keep the fabric in top condition, or use a machine wash on a gentle cycle. Avoid using harsh detergents as they might damage the paisley pattern. After washing, let it air dry. As for sizing, it's designed to fit plus - size women from 1X to 3X, so most plus - size ladies should find it a comfortable fit. Just keep in mind that the delivery of this product takes 15 - 20 business days, so plan your beach trips accordingly.