These Buttercup Tie Bottom swimsuits are super easy to use. Just put them on like regular swim bottoms, and adjust the string ties on the sides to your comfort. When you're out on vacation, they'll make you look stylish at the beach or pool. As they are a final - sale item, please choose the right size carefully. After each use, rinse them with fresh water to remove salt, sand, or chlorine. Hang them to dry in a shaded area. Avoid using harsh detergents as they can damage the textured ribbed fabric. With proper care, these swim bottoms will last you many vacations to come.