Duvet Sizes Single Bed 135cm x 200cm (for use with a 90cm single bed) Double Bed 200cm x 200cm (for use with a 135cm double bed) King Size Bed 225cm x 220cm (for use with a 150cm king size bed) Superking Size Bed 260cm x 225cm (for use with a 180cm super king size bed) Note: If you like your bed to have a "well made" look, or simply prefer plenty of duvet, then choose a size larger than your bed size. close this window