Revamp your bedding this season with the classic tartan-inspired Plaid Flannel Cotton Duvet Cover Set by Blue Nile Mills. This duvet cover set is crafted from luxuriously soft cotton, which is strong, heavyweight, breathable, and ideal for all-season comfort. This duvet cover fastens with buttons to make sure your duvet insert or comforter doesn't shift or come undone. Each piece in this duvet set is ultra-soft and features a unique classic plaid pattern to coordinate seamlessly with your…