"Natural Mulberry Silk·Skin-Friendly and Soft: Crafted with 100% 19MM premium mulberry silk, this pillowcase features a smooth, cloud-soft texture. Gentle on kids’ delicate skin, it wraps them in cozy comfort for restful sleep every night. Smooth Hair Care Reduces Friction: Silky smooth surface reduces hair-pillow friction, preventing tangles and breakage. Ideal for long/curly hair, maintains natural shine and softness during sleep. Breathable Better Than Cotton: Special fiber structure enhances airflow, stays cool in summer. Breathability outperforms cotton, excelling in moisture control to keep heads dry and comfortable all night. Machine-Wash Durable & Cost-Effective​​: Safe for low-temp gentle machine wash. Resists pilling/deformation, retains silk softness. Durable, reduces replacement needs. Lightweight Travel-Friendly 13""x18"" Design: Folds compactly into luggage and fits easily in bags. Maintains familiar silk comfort to help you adapt to new environments, easing sleep discomfort and ensuring uninterrupted sleep during travel."