All-cotton sanding maintenance instructions: Be sure to wash separately, excellent players wash, do not need to add washing powder for the first time, add salt to fix the color, do not soak for a long time. For machine washing, please lower the rotating speed and wash at room temperature. The washing time shall not exceed 30 minutes. Please check the bedding carefully before washing. In case of quality problems, please contact customer service immediately. Beautiful items need your sincere care.