Superwashed Wool Child Mattress Protector and Superwashed Wool Baby Mattress Protector, which are made of Superwashed wool that stands out for its washing machine washing feature, provide a perfect sleeping environment for your child by supporting heat management with their natural structure. Thanks to its full-edge rubber structure, it fully wraps the mattress and extends the life of your mattress while providing ease of use. It provides a warm sleeping environment by supporting heat management with natural wool filling. Since it is made of Superwashed wool, it is suitable for washing in the machine. Thanks to cotton fabric and wool filling, it creates a natural and comfortable sleeping environment. It does not get together in the middle of the mattress with its full edge rubber design.