文房 = 'study' (a scholar's room);
四宝 = four treasures. The canonical four are
笔 (brush),
墨 (ink stick),
纸 (paper),
砚 (ink-stone). Their most celebrated regional forms:
湖笔 (Huzhou brushes),
徽墨 (Huizhou ink),
宣纸 (Xuan paper from Anhui),
端砚 (Duan ink-stones from Guangdong).