Our firmest feeling mattress range with supportive pocket springs.,Dimensions: Single (3ft): W90 x L190cm, Weight: 19kg nDouble (4ft 6in): W135 x L190cm, Weight: 28kgnKing size (5ft): W150 x L200cm, Weight: 33kgnSuper king size (6ft): W180 x L200cm, Weight: 40kg, Depth:24 cm, Depth In:9.4 in,Item details: Ortho enhanced cotton and wool layer, with high-resilience foam, Made in the UK, 2 rows side stitch,4 handles and 8 silver vents,Non Regular turn mattress: Turn (flip) and rotate your mattress once a week for the first 3 months, then once a month thereafter to ensure longevity, This supportive option feels relatively firm but moves with you, thanks to the combination of pocket springs and resilient foam,More information: Mattress Spring count:(3ft)- 435n(4ft 6in)- 667n(5ft)- 775n(6ft)- 961, Mattress Type:Pocket Sprung, Mattress Handle:Yes, Filling type:Cotton