Pipedream has put a new twist on a classic product to bring you the best possible rubber made in the USA. Our American-made rubber is 100% phthalates and latex-free, environmentally safe and hypoallergenic. We hope you enjoy using this product as much as we like making it!Phthalates Free Waterproof Circumference - 4.5 inches Height - 12 inches Width - 1.5 inches