The Rhino has become endangered through hunting and destruction of their natural habitats. Kikkerland would like these magnificent animals to be around for a long time to come. Hence these long lasting oversize erasers made from safe PVC free TPR. We hope that when you use one of these erasers you will be reminded of the real thing-Big beautiful animals that need your help to survive. Safe TPR (PVC free) L 5" x W 2" x H 2.75" - Min Order: 6 units