Yes. The foam used in the DuoCore cot mattress is safe for your baby. The foam has been independently certified by Global Greentag as being ‘Considered Safe to Use’ and having ‘Healthy VOC levels’. Most products would emit some VOC’s; the DuoCore foam has been tested to ensure the level of VOC’s is safe. You will find that most cot mattresses in Australia have an element of polyurethane foam. Some have a foam core, and most have an innerspring core with a layer of polyurethane foam to soften it.