The customisable duvet for bed buddies who like to sleep at different temperatures. - 8 different combinations, offering each person the flexibility of mixing and matching the layers on their side - Zips down the middle joining the two sides together to create one duvet yes, two become one - 4.5 tog for spring/summer or 9 tog for autumn/winter. Or zip them on top of each other for a toasty 13.5 tog - Super soft microfibre cover with anti-allergy fibre filling. Washable at 40 and great for those keen on green | Eve The Wunderflex Multi-Way Duvet in White | Size: Single