The Träumeland Better Dreams Edition Mattress Berg features a dual cold foam twist in the middle for excellent sleeping comfort and an additional 3D air cushion layer for improved ventilation. Your baby's spine is optimally supported. The cover is made from recycled cotton and Lyocell (TENCEL™) and has an extra-wide side ventilation band. It is quilted with fleece, tested for antimony and harmful substances, detachable, removable, washable, and suitable for tumble drying. Thanks to the quilting, the mattress offers a cozy soft sleeping surface. The cover of the Better Dreams Edition Mattress Berg has an integrated moisture protection function and contains the natural fiber Lyocell (TENCEL™), which helps prevent sweating. The cover can be easily removed and washed with a zipper. The mattress is also suitable for allergy sufferers. Additionally, the Träumeland mattress is designed with two sides: a baby side and a toddler side for optimal sleeping comfort depending on the child's age.