Using this duvet cover set is a breeze. First, open the button closure at the foot end and insert your duvet insert. Make sure to tie the inside corner ties to keep the insert from moving around. Then, simply lay it on your high - depth mattress and arrange the matching shams to complete the look. When it comes to cleaning, you can machine wash it as per the care instructions. To keep it looking its best, avoid using harsh detergents or bleach. Also, don't over - dry it to prevent any shrinkage. With proper care, this duvet cover set will continue to bring elegance to your bedroom for a long time.