Latex FoamMattress Inner Materials: a.top padding: 1.WaterproofKnittedFabric quilted with 2cm 25D foam 2.High Density WaveFoam with 30 gsm non woven Fabric 3.5 cm High Density Thicken Foam as padding 4.80g/m2 non-woven fabric b.Side Padding: Knitted Fabric quilted with 1.5cm 20D foam c.Bottom padding: 1.High Quality Wave Foam 2.High Density Foam 4.WaterproofKnittedFabric quilted with 1.5cm 25D foam Function: 1.High density foam can extend the operating life 2.WaterproofKnittedfabric looks elegent and feels soft, confortable 3.Beauty and fascinating appearance 4.High Quality and competitive price could bring more customers for you Features 1Wave sponge with beautiful appearance and excellent acoustic properties; by sound waves reflected back and forth within the sponge absorbing low frequency sound above 500Hz to reduce the interference of reflected sound and the room echoes to improve the purity of sound.2 High density and elastic sponge support the back more effectively, softly and exquisitely gainprominent restoring force.Sizes:sizeUSA(by inch)USA(by cm)size after compressed(cm)pcs/HQUK(by inch)UK(by cm)size after compressedpcs/HQTwin/single39X75X12"99X191X3099X191X639636X75X12"91X191X3091X191X6396Double/Full54X75X12"137X191X30137X191X628848X75X12"122X191X30122X191X6324Queen60X80X12"152X203X30152X203X625260X78X12"152X198X30152X198X6252King76X80X12"193X203X30193X203X618072X78X12"182X198X30182X198X6216 Notes:1All sizes are available2 After being compressed, it is suggested that it open within half a year to keep the size being 95% of its original size.3 Make sure that the internal mattress being circulating, maintain clean andsanitary4 Eliminate the body's metabolism and peculiar smellOthers:1 OEM service is supplied.2 provide design as per customer's requests.3 Warrantee:15 years.4 The more you bought, the more you want to buy.We cansupple allkinds ofmattresseswithGood Qualityat Competitive Price!