EarthKind use 100% recycled materials to create all synthetic duvets & pillows. Recycled polyester fibres are just as soft and as warm as non-recycled fibres. All Earthkind pillows and duvets are made in the UK, there is no plastic and they've designed the bag so you can keep it and use it for something new. Made using recycled materials, helping us to reduce our impact on the planet. 40°C Washable at 40°C, allowing for an effective clean that's much kinder to the environment. What does tog mean? The tog rating tells you the warmth of your duvet. The higher the tog, the warmer the duvet. Tog rating tested in accordance with BS5335.