Elastomer is a stretchy, highly flexible material. Elastomer’s durability and longevity make it a smart choice for long-lasting, high-quality toys like Spartacus Cock Rings. Free of latex and phthalates, elastomer can be used with any lubricant, oil, or cream. The Elastomer Metro Cock Ring’s elegant shape conveys a sophisticated appeal. It’s available in purple, blue, and black.