4layers material
Top two layers are non-woven
Middle layer is melt blown,non-woven, or can use breathable film
Inner layer is soft non-woven or pp cotton
Use melt blown non-woven,breathable is better
4layers material
Top two layers are non-woven
Middle layer is melt blown,non-woven, or can use breathable film
Inner layer is soft non-woven or pp cotton
Use melt blown non-woven,breathable is better