Queen: 58 inches x 78 inches x 1.5 inches (147 x 198 x 3.8 cm). 1-1/2 inches thickness of cool blue memory foam. Convoluted top add more comfort. Ventilated foam allows air flow. Arctic sleep 5-zone memory foam comfort. Enhance your mattress with memory foam. Memory foam was originally developed to provide astronauts with an exceptional sleeping and sitting surface during long flights. Memory foam responds to your body's heat and pressure, conforming to the body's contours and always returning to its original shape. Zone 1 head. zone 2 torso. zone 3 hips. zone 4 legs. zone 5 feet,. Spot clean using mild detergent. Pressure relieving memory foam. Hypoallergenic construction. Dust mite & allergen resistant. Each individual zone of the memory foam topper targets a specific area of the body providing just the right amount of pressure relieving support. Distinct contoured surface patters allow air flow to help keep your cook and refreshed while you sleep. The 5-zone memory foam mattress topper conforms to the unique contours of your body, absorbing your body weight and distributing surface pressure. This reduction in pressure enhances circulation and reduces tossing and turning which is your body's natural reaction to uncomfortable pressure build-up. Less tossing and turning means a more peaceful night's rest. Material content: Foam inner: 1.5 inches 40D memory foam. Finished Size: 58 in. x 78 in. x 1.5 in. Made in China.