Orange pop bumper skirt, or wafer, used in many pinball manufacturers' pop bumper assemblies.
Equivalent to:
Williams No.03-6035-15Stern / Sega / Data East No.545-5098-00Stern / Sega / Data East No.545-5607-00Bally C-790-15Midway 0017-00042-0444Gottlieb C-10433-WHITE