This product is supplied on the understanding that you are exempt from paying VAT for this product under paragraph 1, of VAT leaflet 707/7/86, that you are suffering from Chronic Erectile Dysfunction & that you are receiving this product for your personal use & as such are eligible for relief from value Added Tax under group 14 of the Zero Rate Schedule to the value Added Tax Act 1983. The patented soft comfortable ring stretches easily to fit at the base of the penis gently maintaining arterial flow & controlling venous outflow thereby sustaining a firmer erection. Confidence Rings fit all sizes & are available in two strengths, firm & regular & last for about 6 months. The Confidence Ring was developed & tested over a 4 year period & has a 90% success rate in holding erections. The rings are made from a special patented silicone formula that is 50% softer than latex & never gets in the way during intercourse. A unique feature is the built in memory which adapts the ring to the circumference of the penis during the first time of use. This pack contains 2 Firm rings. We recommend trying one of each with your first purchase.