Using high-quality individual pocket springs, to provide support as each spring works independently. Featuring a 10mm latex and foam topper to alleviate the pressure of the mattress and avoid heat retention. Functionality and Longevity - This mattress provides your baby with the highest level of comfort and safety for a good nights rest. The zip-off bamboo-blend cover ensures it can be cleaned easily and frequently. This mattress has been tested and approved in line with Australian Cot Mattress Standards.