Amazon.com : IRON AMERICAN Elite Ping Pong and Table Tennis Storage Rack, Made in USA - 1.375 Inch Slot for Balls and 3.25 Inch Slot for Paddles, Ping Pong Ball Holder, Hardware
Amazon.com : JOOLA Magnetic Table Tennis Ball Accessory Holder - Includes 10 3 Star Ping Pong Balls with 2 Rubber Holders - 40mm Balls Fit Inside Tray - Connects to Any Metal