This personalized cat sleepshirt is super easy to use. Just put it on like any regular T - shirt and enjoy the comfort. When it comes to washing, you can simply toss it in the washing machine as it's machine - wash safe. But be aware that the preview images might look a bit different in color from the real shirt because of the lighting during the photo shoot or your monitor settings. To keep it in good shape, follow the normal care instructions for cotton or cotton - polyester blend clothing. That's all you need to know to enjoy your awesome cat sleepshirt!