Cloud 9 Novelties Super Stretch Donut Stay Hard Ring Combo Pack includes a trio of super soft skin safe rings. These ring can help you stay harder longer and prolong ejaculation. Cloud 9 cock rings are made of phthalate free, non-toxic thermoplastic rubber (TPR). The rings are comfortable and made specifically for your safety and hygiene during your intimate play. Cloud 9 cock rings can be used individually or together. Cock rings give you a longer lasting erection by trapping the blood supply in the penis and intensifying your orgasm! Cock rings are ideal for men suffering from erectile dysfunction and premature ejaculation. Always use a water based personal lubricant with this product for maximum pleasure. Do not wear a cock ring for more than 30 minutes at a time. Cock ring specifactions: all rings: .75 inch diameter, total packaged weight .05 pound. Rings are blue, black and clear. Phthalate free, Body Safe, TPR. Manufactured for Cloud 9 Novelties. Made in China.