a Slumberdown Cosy Nights Hollowfibre Duvet distributed by John Cotton Group Limited. Tailored High-Performance Tog Selection: Choose from three custom heating setups—the balanced 10.5 Tog for year-round comfort the deep-winter 15.0 Tog for maximum warmth or the smart 13.5 All Seasons 3-in-1 combo (featuring independent 9.0 Tog and 4.5 Tog quilts to clip together). Advanced Air-Flow Hollowfibre Core: Generously layered with engineered synthetic hollowfibres that naturally promote circulation. This prevents heat buildup while keeping the entire quilt beautifully lightweight lofty and plush. 100% Certified Hypoallergenic Defense: Built entirely from pristine synthetic materials that shield against common household irritants. Rest easy without symptoms like midnight sneezing runny noses itchy skin or watery eyes. Velvety Soft-Touch Microfibre Shell: Wrapped in a smooth high-density 100% microfibre outer casing that glides cleanly inside any standard cover adding an extra layer of soft breathable comfort to your sleep system. Trusted Premium British Craftsmanship: Proudly manufactured directly in the United Kingdom supporting local industries. Ultimate Multi-Environment Versatility: Its lightweight high-durability design makes it the perfect choice for master bedrooms rental properties guest suites student housing and campervan conversions. Specifications Brand: Slumberdown Cover material: 100% microfibre Filling: 100% hollowfibre Hypoallergenic: Yes Made in: United Kingdom Care: Machine washable line dry or tumble dry on a low setting Available tog options: 10.5 Tog – Suitable for year-round use 15 Tog – Ideal for winter 13.5 Tog All Seasons – Includes a 4.5 Tog and a 9 Tog duvet that can be used separately or clipped together Available sizes: Single: 135cm × 200cm Double: 200cm × 200cm King: 225cm × 220cm Super King: 260cm × 220cm Shipping only to most of GB mainland.