Flannel No harmful, no smell and protect you and your family The football ground carpet is very nice to look at in and appears to be well made and sturdy This football field mat is soft and grips to floor perfectly and dirt on surface can be removed easily Perfect for any soccer fan and super cute addition to the sports themed rooms for your family, kids, boys or girls,, classmate and so on This football field rug is extreme, stain resistant, fade resistant and made to last for many years