Bubble Wrap is available in different sizes and would depend on the object being packed, as well as the level of protection needed. Multiple layers are used when shock and vibration isolation is required whilst a single layer may be used for surface protection.
Standard Rolls can be slit into
2 Rolls 625x100m
3 Rolls 416x100m
4 Rolls 312x100m
5 Rolls 250x100m