How to use: Just put the beanie on your head and adjust it to fit comfortably. It's great for casual outings, sports, or just to keep warm in the cold. Attention: Since this product contains chemicals that may be harmful as per California Proposition 65, try to avoid long - term direct contact if you are concerned. Maintenance: You can hand - wash the beanie in cold water with mild detergent. Then, lay it flat to dry to keep its shape. Avoid using a dryer as high heat may damage the fabric.