How to use: Just put on this shirt like you would with any other shirt. It's suitable for various occasions, from casual outings to semi - formal events. Notice: Always check the size chart carefully before buying to ensure the best fit. Different suppliers may have different sizing, so don't assume your usual size will fit. Maintenance advice: Machine wash this polyester shirt in cold water with similar colors. You can tumble dry it on low heat. Avoid using bleach as it may damage the 3D print pattern. Iron it on a low - heat setting if needed.