The Two-Piece Steel Bowling Ramp helps wheelchair users and people with lower extremity weakness or poor balance enjoy participating in bowling activities. The bowler simply gives the ball a slight push to send it rolling down the alley. Can be used from a sitting or standing position. ⚠️ WARNING: This product can expose you to chemicals including Chromium, which is known to the State of California to cause cancer, and Chromium, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.