Dynamo Delay helps couples enjoy longer-lasting sex with a clinically tested fast-acting formula that provides safe and effective results. This non-irritating spray temporarily prolongs the time until ejaculation using a concentrated 13% lidocaine formula, which provides a topical numbing sensation that works in minutes and lasts for hours! Improve stamina, increase endurance, and prolong pleasure without a prescription! Features:* maximum strength Lidocaine. * Lidocaine USP 13% approximately 10 mg per spray. * Fast acting formula. * Safe and effective. * Clinically tested. Non-irritating. * Registered with the Food and Drug Administration NDC 69664-001-01. * Made in the USA. Uses:* for temporary male genital desensitization, helping to slow the onset of ejaculation. * Male Genital Desensitizer Spray helps in temporarily prolonging the time until ejaculation. * For reducing oversensitivity in the male in advance of intercourse. Directions: apply 3 or more sprays, not to exceed 10, to head and shaft of penis before intercourse, or use as directed by a doctor. Wash product off after intercourse.