Spartacus Leathers Cock Gear Rubber Cock Rings: 1.5 inches Soft Rubber Cock Ring White. What fun! When worn around the base of the penis and testicles, many users find that cock rings increase sexual pleasure. Rubber cock rings in your choice of colors and sizes. Black, blue, red, purple, white and green, 1.25 inches, 1.5 inches and 2 inches. We also sell sets of these. Spartacus A Passion For Quality Catalog. Made in the USA.