Island Rings Purple set contains 3 sizes of soft and stretchy all purpose rings. Cock rings are made using phthalate free, non-toxic materials Thermoplastic Rubber TPR. Diameters of each ring small 0.75 inch, medium 0.85 inch and large 0.9 inch. Each ring contains pleasure beads all around. Bulk weight 0.1 ounce. Use together or individually prolong rings prevent premature ejaculation and act as climax control for men and clitoral stimulation for women. Safe and pure for body and pleasures. Island Rings is a registered trademark for California Exotic Novelties. Sex toys and sexual wellness. Wash before and after each use. Always use a water based personal lubricant with this product for maximum pleasure. Important warning: this novelty product is intended as a sexual enhancing aid. Not intended for contraception/birth control or treatment of erection conditions. Use no more than 30 minutes at a time. Allow 60 minutes between additional uses. Do not fall asleep or be under the influence of alcohol or drugs while using this product. Prolonged use without removal may result in bruising to the base or permanent injury to the penis. Consult you physician should any complications should occur and discontinue use immediately.