Buy seamless duvet covers silk from our online shop, which are made of 22 momme mulberry silk with best quality in twin, full, queen, king and cal.king size. The button closure is on the bottom part of the duvet cover with 2" border for your convenient.The 100 pure and natural mulberry silk duvet cover will absolutely bring you the feeling of soft and smooth, which is good for your skin and relief you from itchy skin conditions.