How to use: Put the helmet on your head and adjust the integrated fit system until it's comfortable and snug. Make sure the 3D cat ears are facing upwards. Note: Only use this helmet for its intended purpose, such as cycling or skateboarding. Don't use it if it's damaged. Keep it away from extreme heat and sharp objects. Maintenance: Clean the helmet with a mild soap and water. Let it air dry. Don't use harsh chemicals as they may damage the helmet.