About The Product: These Friends PIVOT valve stem caps are high-quality unique and will add a fun and a stylish look to your rims! Each valve stem cap is approximately 0.55" (14mm) in height and includes an inserted rubber o-ring for an air-tight fit. About The Design: Friends is a classic NBC TV show follows six 20 somethings living in the same apartment complex in New York City. Rachel, Ross, Monica, Joey, Chandler, and Phoebe are BFF's that prove friendship takes work, love, and laughter, but is so worth it. If you're a fan you'll love this official Friends product!