Does the Essential mattress maintain its shape and quality over time? Which certifications does it have?

Yes. The combination of high-density Gel Latex Foam and a high-resilience support core is engineered to preserve its shape, elasticity and supportive performance over many years of daily use. The Essential 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.