Using this shirt is easy - just put it on and you're ready to hit the stage or the party! When wearing it, make sure to choose the right size according to the size chart to ensure maximum comfort. As for maintenance, this polyester shirt can usually be machine - washed on a gentle cycle. Use a mild detergent to keep the fabric in good condition. Avoid using bleach as it may damage the geometric pattern. After washing, let it air - dry. Don't forget to iron it on a low - heat setting if needed to keep it looking sharp. Also, keep in mind that due to different suppliers and brands, there may be slight variations in size, so always double - check the size chart before making a purchase.