How to use: Just slip into this January onesie like you would any regular pajamas. It's perfect for sleeping, lounging around the house on lazy winter days, or even for those special holiday mornings. Note: Although it's made to fit true to size, if you prefer a looser fit, you might want to consider sizing up. Maintenance: Machine wash it in cold water with like colors. Avoid using bleach as it may damage the fabric. Tumble dry on low heat, and it'll be ready for your next cozy session.