Efni:70% Polypropylene, 10% PVC, 10% Iron, 10% NBR. Handles - Polypropylene and NBR rubber foam. Wheel: Recycled Polypropylen and PVC with a non-phthalate plasticizer.Always check before use and if you see any cracks or damage on product do not use. Note! This is a training device. Keep away from children.