To use this sweatshirt, simply put it on and enjoy the warmth and comfort. When it comes to washing, use a gentle cycle with cold water to keep the fabric and the design in good condition. Don't use bleach as it might damage the colors. Hang it to dry to prevent shrinkage. As it's made to order, please be patient during the processing time. If you notice any loose threads, you can carefully snip them off. With proper care, this sweatshirt will serve you well for a long time.