Amazon has sometimes been called “The Everything Store” for its huge selection of products. But it has a few holes in its lineup like furniture, a field that has been dominated by brick and mortar retailers like Pottery Barn and Crate & Barrel along with online merchants like Wayfair (“w”) and Overstock.com.

Amazon now appears to be doubling down on furniture as it eyes taking a bigger piece of the $150 billion market, according to a new report from the Wall Street Journal. The company is opening a number of new warehouses to store and ship furniture as well as expanding its inventory of furniture and home goods.

There’s good reason Amazon (“amzn”) wants to expand its furniture footprint. U.S. online furniture sales grew 18% in 2015, making it one of the strongest categories in e-commerce,…