The Sareer Alder mattress features innovative, sustainable sleep technologies, combining an open coil core with eco-friendly fibres for a superior sleeping experience. At the heart of this mattress is a high-performance polyester filling, crafted from a sophisticated blend of three polyester fibres, including an advanced elastomeric binder fibre.With a strong commitment to sustainability, the polyester used in the Sareer Alder mattress is 100% recyclable at the end of its life cycle and can be upcycled into alternative products, reducing environmental impact.The unique blend of coarse and fine fibres is meticulously engineered to offer the perfect balance of support and recovery, ensuring you experience a restful and comfortable sleep night after night. The Sareer Alder has been rigorously tested to deliver exceptional performance and durability, maintaining its comfort and support for years to come.Designed with safety in mind, the polyester used is free from FR chemicals and is inherently flame retardant, providing peace of mind. Additionally, the open coil core construction offers maximum spinal support and effectively eliminates rolling together, allowing both you and your partner to enjoy a peaceful, undisturbed sleep.