The Cruiser Cock Ring is beefy and built to get the job done. But do not let its bad boy looks put you off. It is super stretchy so it is extremely comfortable while it gently restricts your cock during sex. And, its beefy design gives you a package that gets notice. The Cruiser design is made with SilaSkin which is the proprietary blend of Thermoplastic Rubber TPR and Silicone for a gentle squeeze.