100% PURE MULBERRY SILK: Mulberry silk is a natural protein fiber with 18 types of amino acids, which fits the human skin. Mulberry silk has excellent breathability and temperature regulation functions, making it warm in winter and cool in summer, suitable for those who sleep hot and cold. Low friction can effectively protect hair from damage. OEKO TEX CERTIFICATED: The fitted sheet is made of 100% silk (19 Momme), which is breathable and soft. It has passed the OEKO Tex Standard 100 Certification, which is healthy and environmentally friendly. LUXURY SLEEP: Warm in winter and cool in summer, effective temperature regulation, suitable for cold and hot sleepers. Lightweight and breathable, reducing body pressure, wicking moisture and sweat, providing you with high-quality sleep. PACKAGE INCLUDES: Only a fitted sheet (76 x 80 king size), can fit mattresses from 8 up to 16 . The all-round elasticity can easily stretch and fit the mattress, without tightness or accumulation. INSTRUCTIONS FOR USE: It is recommended to hand wash or machine wash in warm water at 30°C in a gentle cycle, use neutral detergent to prevent fading, and avoid direct sunlight when dry. Size King Brand THXSILK Color Black Pattern Solid Material Silk Fabric Type Silk Item Weight 1.85 pounds Manufacturer TAIHU SNOW Thread Count 1500 Number of Pieces 1 Product Dimensions 80 L x 76 W Fitted Sheet Pocket Depth 16 Inches Product Care Instructions Machine Wash