Does the Memory on Top 800 mattress maintain its quality and shape over time? Which certifications does it have?

Yes. Its 800 individually pocketed spring system, enclosed within a high-resilience perimeter support box, is engineered to preserve elasticity, support and structural stability for many years. The Memory Foam comfort layer also maintains its adaptive properties and pressure-relieving performance over long-term use. The Memory on Top 800 is manufactured using certified materials that comply with CertiPUR®, OEKO-TEX® Standard 100 Class 1, LGA Quality, and ISO 9001 standards, guaranteeing safety, premium quality, durability and the absence of harmful substances.