Enjoy supportive comfort when resting on three inches of responsive memory foam found in the adaptifoam memory foam mattress topper. Our open cell adaptifoam memory foam is breathable, responsive, allergy free, and contains the rebound and firm support of latex to offer supportive spinal alignment for comfortable sleep throughout the night. Built-in adaptifoam ventilation technology provides maximum air flow and temperature regulation. The odor free memory foam meets certipur-us standards for content, emissions, and durability for long lasting comfort. Each mattress topper is backed by a 5-year limited warranty. Features: Hypoallergenic, Memory Foam Manufacturer Warranty: 5 Year Limited Bed Size: Twin Measurements: 74 Length/Inches, 38 Width/Inches Base Material: 100% Foam Filling Content: 100% Viscoelastic Poly-Foam Care: Spot Clean Thickness: 3 - 3 1/2 Inch Comfort Level: Basic Protection Level: Basic Mattress Pads & Toppers Type: Mattress Toppers Country of Origin: Made in US