Independently superbly pocketed 15-gauge pocket coils. Quality foam and polyester layering between cover and coils for optimal comfort. 100% GreenFoam Certified Foam. More comfortable than most standard 8-10 inch mattresses. Plus No squeeking! Product details Innerspring Independently superbly pocketed 15-gauge pocket coils. Polyester layering between cover and coils for optimal comfort. More comfortable than most standard 6-8 inch mattresses. Plus No squeaking. 100% Green Foam Certified Foam.