To use this long sleeve tee, simply put it on for a casual and comfortable look during the Christmas season. When it comes to washing, use cold water to prevent any potential shrinkage or color fading. Hang it to dry to keep its shape. Avoid using harsh detergents as the tee is made with low-impact dyes. It's a made-to-order product, so please be patient during the 7 - 10 business day processing time. Enjoy wearing this stylish and eco - friendly tee!