The Ultimate Dual Experience ? enhance your orgasms with this double ring that stretches comfortably around the base of the penis and testicles. it is designed to help you achieve a longer-lasting and stronger erection. the clit tickler on the ring provides additional pleasure for your partner! Features: the latest glow in the dark technology immerse under bright light or in sunlight before use to ignite the glow effect Sila-Flex is a premium, phthalate-free hybrid silicone with an ultra smooth and soft finish. durable, unscented and extra stretch, while retaining its original shape after use.