John Lewis Specialist Synthetic Hint Of Silk Duvet, 4.5 Tog, Double Brand New Brand John Lewis & Partners Care instructions Washable up to 40°C in a large capacity machine. Tumble dry on low setting until completely dry. Do not dry clean. Collection Specialist Synthetic Country of Origin Estonia Cover material 100% Polyester Filling Composition 90% Polyester, 10% Silk Season Spring and summer Tog 4.5