To use this Koan dress, simply put it on and adjust the elastic waist for a comfortable fit. It's great for casual outings or even a semi - formal event. As for care, gently hand - wash it in cold water with mild detergent. Avoid using harsh chemicals or bleach as they might damage the fabric. When drying, lay it flat to prevent any stretching. Remember, due to the slight soiling on the inner elastic waist, take extra care while cleaning that area. This dress is a unique piece, so handle it with love to keep it looking good for a long time.