Yes, rubber mulch is a safe product. It's safe to use on playgrounds and in the garden. Numerous government and independent studies have been conducted on the safety of recycled rubber tire material. View safety research The EPA also recommends rubber mulch as an environmentally safe ground cover and playground surface.
Rubber Mulch Warehouse only sells rubber mulch that is safe, non-toxic, certified by playground equipment manufacturing associations, and meets specific ASTM standards.