Youth Step-Down Pitching Rubber. Durable and long lasting all rubber construction. White rubber. Youth dimensions: 4" x 18".  Also available in Pro model. 

WARNING: This product can expose you to chemicals including DI(2-ETHYLHEXYL) PHTHALATE (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more info go to www.P65Warnings.ca.gov.