Add a hilarious twist to your ride with these 3D printed portable toilet valve stem caps—perfect for anyone with a sense of humor and a love for custom car accessories. Shaped like tiny portable restrooms, these valve caps are the ultimate gag gift for car lovers, pranksters, and anyone who enjoys standing out at car meets, bike rides, or anywhere tires go. Designed to fit all standard Schrader valves, this 4-pack works with cars, trucks, motorcycles, bicycles, scooters, and ATVs. Just screw them on—no tools, no glue, no effort. Each cap helps protect your tire valve from dust, dirt, and debris while making your wheels absolutely unforgettable. Perfect for stocking stuffers, white elephant parties, car shows, and any situation where a mini plastic toilet might be the best icebreaker.