Light summer duvet wild silk with cotton Our washable duvets with a filling of wild silk and cotton are the first choice for people with a low need for warmth. The combination of silk and cotton guarantees a healthy and dry feel-good climate. The blanket is washable up to 60°C and can be tumble dried, making it particularly suitable for allergy sufferers. Cover material made of fine, skin-friendly cotton percale Filling made of 60% wild silk and 40% cotton particularly breathable, light summer blanket Tested for harmful substances according to Oeko Tex Standard 100 Textile trust - textiles tested for harmful substances according to Oeko-Tex Standard 100 guarantee: Fabrics awarded the Oeko-Tex mark have been scientifically tested at an international level. The Oeko-Tex mark certifies human-.