ViscoSoft 4 Inch Pillow Top Memory Foam Mattress Topper Twin CertiPUR-US Certified Serene Lux Dual Layer Mattress PadTransform Your Sleep The Serene 4 High Density topper is made from a 2.5 inch of temperature neutral gel memory foam and1.5 inch of plush down cover to provide comfort and support.Relieve Pain & Soreness Utilizing thousands of testing hours and reviews the toppers designed to balance of softness and support. Alleviate back, hip or general soreness associated with a firm or old mattress.Focus on Quality & Durability Changes to our innovative foam formula have enhanced its strength and stability. Extensive testing from labs such as SGS, ITS, TV, ensures compliance to deliver superior feel and quality.Removable & Washable Plush Cover Pad Designed for comfort and convenience the dual layer has been tested for shrinkage, piling, appearance and other standards to guarantee durable comfort. Follow the care instructions provided when washing the cover.Product informationBrandViscoSoftColorWhiteSizeTwinFabric TypeMemory FoamSpecial FeatureDurability,RemovableClosure TypePull OnProduct Care InstructionsMachine WashWater Resistance LevelNot Water ResistantAge Range (Description)All AgesMaterialcomfortThread Count300ManufacturerViscoSoftUPC858469007463Product Dimensions75 x 39 x 4 inchesItem Weight17.51 pounds