To use this t-shirt, simply put it on like any other shirt. It's great for daily activities, sports, or casual outings. When it comes to washing, you can machine wash it in cold water with like colors. Use a gentle cycle to keep the fabric in good condition. Avoid using bleach as it may damage the anti-bacterial treatment and the fabric. After washing, tumble dry on low or hang it to dry. Don't iron directly on the print if there is any. Store it in a cool, dry place when not in use. With proper care, this t-shirt will serve you well for a long time.