The Protectaid® contraceptive sponge is a unique barrier device made of polyurethane foam impregnated with F-5 Gel®. The individually wrapped disposable sponge is ready to use and designed with die-cut slots for easy insertion and removal. The sponge provides protection for a 12 hour period, a new sponge is not required if multiple acts of intercourse occur during that period. The sponge is to be left in for 6 hours after intercourse. In clinical tests, the overall efficiency rate was 90 percent. The sponge is a very convenient form of contraception. There is no prescription required, no fitting and insertion does not interrupt foreplay. It cannot be felt by either partner and there is no leakage after ejaculation because the sponge absorbs semen. There is some evidence that the sponge can destroy certain bacteria but to be 100% certain double protection (a condom and a sponge) should be used. Effective, discreet and easy-to-use: Like the condom, or any other device of this type, Protectaid's efficacy depends on proper use. When used correctly, studies have shown it to be about 90% effective and when used with a condom, efficacy is greatly enhanced. The Protectaid(R) sponge does not require any preparation and insertion into the vagina is facilitated by two slots in the sponge matrix. It provides discreet and comfortable protection when used regardless of the number of times used. The [Protectaid(R) sponge can be inserted any time prior to sexual intercourse and should be left in at least six hours after the last sexual intercourse and for a maximum of up to twelve hours after being inserted. "Since women control its use, the Protectaid(R) sponge is particularly interesting for those women who don't take the pill but who want safe, discreet and easy-to-use protection whether combined with a male condom or not,'' said Bonnie Johnson, Executive Director, Planned Parenthood Federation. F-5 Gel® This spermicide is an innovative product in that it contains three agents. Nonoxynol-9 (NX9), Benzalkonium Chloride (BKC), and Sodium Cholate (NACOL). These are used in low concentrations thereby minimizing the risk of cervico-vaginal irritation and irritation to the penis Studies with Protectaid® have shown absence of significant colposcopic irritation after 6-12 hour use periods. The F-5 Gel® was also shown to exert its spermicidal activity in vitro even when diluted.