Does the Sevenlife 18 mattress maintain its quality and shape over time? Which certifications does it have?

Yes. Its high-density Latex Foam core is engineered to preserve its elasticity, shape and supportive performance for many years, ensuring outstanding durability and consistent comfort over time. The Sevenlife 18 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.