Add an extra layer of comfort and support to your mattress with this topper endorsed with the british allergy foundation seal of approval this specialist dacron allerban filling is anti dust mite and anti microbial in a pure cotton cover dimensions single 3ft 90x190cm 35 x 75 approxndouble 4ft 137x190cm 54 x 75 approxnking size 5ft 150x200cm 59 x 79 approxnsuper king size 6ft 183x200cm 72 x 79 approx item details british allergy foundation seal of approval anti