* Polyester mattress* Arrives flat* Hypoallergenic This mattress is designed for those who seek both support and indulgence. The reflex foam layer and coil system work together to provide excellent pressure relief and spine alignment, ensuring restful, restorative sleep. Its pillow-top surface adds a layer of plush comfort, making bedtime a luxurious experience. Featuring no-roll-together technology to reduce partner disturbance and a no-turn design for convenience, this mattress is an exceptional blend of function and relaxation.