Spartacus Leathers Cock Gear Rubber Cock Rings. Soft Rubber Cock Rings White 3 Piece Set. Experiment with each of our rubber cock ring sizes in your choice of colors. Each set contains one 1.25 inches ring, one 1.5 inches ring and one 2 inches ring. What fun! When worn around the base of the penis and testicles, many users find that cock rings increase sexual pleasure. Rubber cock ring sets in your choice of colors: blue, green, purple red and white. Each sold separately. Weighs 0.26 pound. Made in the USA.