Made with a single layer of pocketed springs and the finest quality fillings to achieve a naturally supportive feel.,Dimensions: Single (3ft): W90 x L190cm, Weight: 24kg nDouble (4ft 6in): W135 x L190cm, Weight: 36kgnKing size (5ft): W150 x L200cm, Weight: 43kgnSuper king size (6ft): W180 x L200cm, Weight: 51kg, Depth:28 cm, Depth In:11.0 in,Item details: Luxury white fibre, cotton and lambs wool and silk, Made in the UK, 3 rows side stitch,4 handles and 8 silver vents,Your mattress does not need flipping, however it is important that you rotate your mattress once a week for the first 3 months, then every 3 months thereafter for even fillings distribution, A deep filling of soft wool, silk and cotton on top of 1500 pocket springs makes this mattress sumptuously supportive,More information: Mattress Spring count:(3ft)- 832n(4ft 6in)- 1312n(5ft)- 1530n(6ft)- 1836, Mattress Type:Natural, Mattress Handle:Yes, Filling type:Cotton