宜家家居官网-宜家电商-提供客厅，卧室，厨房，各类家居灵感和产品解决方案- IKEA

With different doors you can personalise your BILLY bookcase to fit your own unique style and living situation. Choose between wooden doors, glass doors – or perhaps a mix of the two? We even have doors where you can add a personal touch by placing art or pictures behind the glass. Which one is your pick?