We offer this material with no fillers! 100% hardwood mulch creating a beautiful light colored auburn brown. The fibers lock together, allowing this particular mulch to stay in place nicely. Recommended as an excellent product for hills/sloped areas due to its resistant to washout. Great for natural areas as a top dressing for a finished look. Contrasts well against green grass. 1” – 3” fiber length on average, some larger pieces may be mixed in.