To use this floral siesta pajama set, simply put it on before going to bed. It's great for a comfortable night's sleep. When it comes to maintenance, machine - wash it in cold water with like colors. Avoid using bleach as it may damage the fabric. Also, tumble dry on low to keep the pajamas in good shape. Just a heads - up, due to the small brown mark on the top, try not to rub too hard in that area during washing to prevent the mark from spreading.