The Sareer Aspen is crafted with a superior-performance polyester filling, made from a highly sophisticated blend of three polyester fibres, including an advanced elastomeric binder fibre. Designed with sustainability in mind, the polyester fillings are 100% recyclable at the end of life and can be upcycled into alternative products.Engineered with a perfect balance of coarse and fine fibres, the spiral crimped conjugate fibres offer the feel of millions of tiny springs. This innovative design provides exceptional support and recovery, ensuring a restful night’s sleep.Free from harmful FR chemicals, the polyester used in this mattress is inherently flame retardant, offering peace of mind for your safety.The mattress is equipped with a 3000-pocket spring unit, where each individual spring works independently to react to your body’s movements and weight, delivering complete and personalised support.