Best washable slipcover sofa. Trying to decide on a comfortable sofa? Well, look no further because here is a review of both the Pottery Barn and Ikea sofa. These comfy, slipcover couch ideas are perfect for an apartment, for small spaces, a living room, or a home. These covers come in white, tans, neutrals, beige, blue, grey, floral, stripes, gray, and checks decor. They fit nicely in a modern farmhouse, vintage, cottage, french country, traditional or contemporary design.