13.5 TOG - Designed to give you extra warmth in winter months for that added cosy feel so you can sleep soundly SIZE – DOUBLE BED: Length 200cm x Width 200cm. (Standard UK Sizing) FRESHWASH ANTI ALLERGY - Our duvets are specially constructed using a Anti Allergy filling to help reduce the build up of dust mites and bacteria. Tested and approved by leading experts Allergy UK, so you and your family can sleep easy throughout the night, and night after night WASHING MACHINE AND DRYER FRIENDLY - We want to make life easier for you, that’s why our product is washing machine and tumble drier friendly, so it can be back on your bed as quickly as you need it NON-ALLERGENIC - Our duvets do not contain materials which are likely to cause allergies