With a combination of 3400 pocket springs and luxury fillings including pashmina cashmere and alpaca wool the frank hudson luxury 3400 mattress is the ideal choice for any bed it features a tufted top finish and hard stitched sides handmade in the uk by a team of craftsmen this mattress comes with a 10 year guarantee for your peace of mindplease note spring count refers to a 5ft kingsize modeldimensionsdouble w 135cm x l 190cm x d 18cmking w 150cm x l 200cm x d 18cmsuperking w 180cm