Specially developed according to children's sleep habits and skeletal development characteristics, and provide good support for the growing body of the child. It will not be too hard or too soft. It can effectively assist and correct children's growth in the long-term growth and deformation of the spine. The safety requirements for children's mattresses are very high. The mattress fabric must be made of 100% pure cotton and the internal materials must be environmentally friendly. This quality mattress will surely give you a better and non disturbing high quality of sleep