The Macho Crystal Collection Pulsating Erection Keeper is a versatile vibrating cock ring designed for enhanced pleasure. With a super stretchy jelly-like feel, it accommodates a range of sizes for comfortable use. This device features 7 different vibration functions, allowing for customizable experiences with just one touch for on and off operation. The clear design mimics the look of glass while being made from phthalate-free materials, ensuring safety during use. Additionally, it is waterproof, making it suitable for use in various environments. Manufactured by Nasstoys, this item is a practical addition to intimate moments. Country of origin: China.