Toyo spun silk is a black technology fabric, cashmere fiber, invincible texture, with the warmth of cashmere sweater, smoothness of silk, elegance and temperature coexistence, unbreakable EZ sticker, brand-new patented fabric, particularly good plush feeling, Japan Toyo "silly" warm cashmere, cashmere protein heating fiber blended, rich in various amino acids, skin care, breathable comfort, natural antibacterial, soft and skin-friendly.