How to use: Just put on your Blue Doom t-shirt and enjoy its comfort. It's suitable for daily wear, casual outings, or workouts. Attention: When washing, make sure to turn it inside out and wash with similar colors to prevent color bleeding. Only use non - chlorine bleach if needed. Maintenance: Hang dry your t - shirt for the best results. If you're in a hurry, you can tumble dry on cool or low heat. Avoid using fabric softener as it can cause fading. Also, don't iron or dry clean your t - shirt to keep its quality intact.