Foam that has been peeled into thin, long sheets from a foam "log/bun" and rolled onto a core for handling purposes. Rolled foam sheets are commonly used for large area padding, such as carpet padding.
It is fabric rolled up on a core after it has been produced. It is describes in terms of weight and width of the roll and length of the material on the roll.
Fabric rolled up on a core. Measured in terms of weight and width of the roll as well as length of material on the roll.