JYYA88BB 8-inch Cooling Gel Memory Foam Mattress in a Box, Medium-Firm, Twin Size

Cooling and Breathable: Regulates temperature and cradles pressure points for pain-free sleep. Comfortable and Quiet: Reduces motion transfer by 90% (tested ASTM standard). Multi-Layer Structural Design: 1.6-inch cooling gel memory foam, 1.6-inch responsive comfort foam, and 4.8-inch High-density sponge. CertiPUR-US Certified: No formaldehyde, mercury, or PBDE flame retardants. Medium-Firm Design: Optimal support for all sleeping positions (6.5/10 firmness). Mattress in a BOX Design: Arrives compressed in a box, expands to full size within 24 -72 hours. Easy to Maintenance: Removable, machine-washable cover simplifies cleaning. Perfect for guest room, teen room, college dorm, Hotels, Student Dormitories, Apartments, and rental house.