A mattress where they´ll sleep like a baby. For optimal safety and comfort, it´s important that a baby mattress is high-quality, firm and breathable. ​ A breathable mattress ensures that the air can circulate and remove the carbon dioxide exhaled by the baby. In this way, overheating is avoided. This is especially important when the little ones turn over onto their stomachs while sleeping and breathe into the mattress. ​ The Stokke® Sleepi™ Bed mattress is made with multiple layers of breathable 3D mesh with a Sorona® Bicomponent Stretch fiber core to offer firmness, maximal airflow and to exceed the highest safety standards.​ Both the core and cover can easily be removed for washing. Cover is machine washable at 60° Celsius and core can be cleaned by rinsing. Comes with a wide range of coordinating protection covers and sheets.​ Features: ​ -Firmness for baby’s safety & comfort​ ​ -Layers of breathable 3D mesh for airflow ​ -Sorona® Bicomponent Stretch fiber core ​ -Made to perfectly fit the Stokke® Sleepi™ Bed​ ​ -Both core and mattress are washable​ -Optimal airflow to prevent heat accumulation ​ -Non-toxic ​ -Oeko-Tex® Standard 100 class 1​ -Meets the highest standards in terms of breathability, safety and restricted substances​ -Suitable for Weight (kg/lbs): up to 120 / 264 -Compatible with Stokke® Sleepi™ Bed V3.​ *Not compatible with Stokke® Sleepi™ Bed up to serial number 103AG0343992. Not compatible with Stokke® Sleepi™ Fitted Sheets made before September 2022. Not compatible with Stokke® Sleepi™ Protection Sheet made before September 2022.