Bowser Foam Work Cradles are made of shaped foam to give you a gentle helping hand when working on the underside of your locos and cars. The cradles also have a compartment for holding small parts like screws, trucks, couplers etc. Foam cradles are perfect for helping you keep your locomotives and rolling stock firmly in place and small parts organized on your workbench. Check out all three sizes of Bowser foam cradles. Shaped foam cradle gives you a gentle helping hand when working on the underside of your locos and cars. Cradle also has a compartment for holding small parts like screws, trucks, couplers etc.WARNING: This product can expose you to chemicals including STYRENE, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov