The Sareer Willow mattress features superior-performance polyester filling, created from a highly sophisticated blend of three premium polyester fibers, including an advanced elastomeric binder fiber. This refined combination of coarse and fine fibers ensures that the spiral crimped conjugate fibers are perfectly engineered to deliver exceptional support and recovery.Rigorous testing confirms that the Sareer Willow provides outstanding performance and durability, maintaining its comfort and support for many years. The polyester used in this mattress is free from FR chemicals and is inherently flame retardant, ensuring both safety and peace of mind.With sustainability at its core, the polyester in this mattress is 100% recyclable at the end of its life and can be upcycled into alternative products, promoting an eco-friendly choice.The manufacturing process is designed to offer maximum spinal support while eliminating the feeling of rolling together, so both you and your partner can enjoy a peaceful, undisturbed night’s sleep. The mattress excels in heat reduction and breathability, keeping it fresh and comfortable throughout the night. The top layers of Reflex foam gently mould to the contours of your body, providing targeted support and relieving pressure point discomfort.