The all-white BEDGEAR S3 Firm Memory Foam Queen Mattress from the S mattress Collection are a luxurious sporty collection providing cross-ventilation for maximum breathability. Quarter-inch-diameter holes are drilled vertically top to bottom throughout the mattresses to ensure continuous airflow and a healthy and clean sleep environment. BEDGEARs Ver-Tex instant-cooling cover and breathable mesh side panels help reduce sweat and heat buildup. The S3 has a total of 10 inches of comfort. It has 1.5 of Ventilated React+ support. S3 has 8.5 of Ventilated React material core. It has the firmest feel of the collection. Certifications - All foams are CertiPUR-US certified: - Made with safe materials (no heavy metals, no formaldehyde) - No harmful odors or emissions - Made without phthalates regulated by the Consumer Product Safety Commission