To use this swimsuit cover - up, simply slip it on over your swimsuit when you're at the beach or pool. It's super easy and gives you an instant stylish look. When it comes to maintenance, you can either hand wash it gently or use the machine wash on a delicate cycle. This will help keep the geometric print looking fresh. As for sizing, it's designed to fit plus sizes from 1X to 3X, so most curvy ladies can enjoy it. Just be aware that the delivery time is 15 - 20 business days, so plan your beach trips accordingly.