Do any of the following apply to you?- Have you ever had trouble ejaculating?- Do you need a strong grip to ejaculate during masturbation?- Do you struggle to ejaculate during sex?These products can help you to train yourself to overcome such problems.Many men suffer from Delayed Ejaculation or Intravaginal Ejaculation Disorder.If left untreated, these conditions can grow worse over time, possibly even leading to infertility.That's why TENGA Healthcare has developed this range of Men's Training CUPs,a series of five cups with graduated intensities for use in training of sexual function.Our goal is to bring hope to men everywhere, and to help more people enjoy a happy, satisfying sex life.Men's Training CUPs are 5 masturbation items with graduated intensities for training of sexual function. Level 01: Size (D × W × H mm/in): 69 × 69 × 155 / 2.72 x 2.72 x 6.1Insertion Length Approx. (mm/in): 150 / 5.91Insertion Width Approx. (mm/in): 45 / 1.77Weight (g/oz): 132 / 4.65Other Specs: Disposable, Prelubricated Level 02: Size (D × W × H mm/in): 69 × 69 × 155 / 2.72 x 2.72 x 6.1Insertion Length Approx. (mm/in): 150 / 5.91Insertion Width Approx. (mm/in): 45 / 1.77Weight (g/oz): 128 / 4.51 Level 03: Size (D × W × H mm/in): 69 × 69 × 155 / 2.72 x 2.72 x 6.1Insertion Length Approx. (mm/in): 150 / 5.91Insertion Width Approx. (mm/in): 45 / 1.77Weight (g/oz): 125 4.4 Level 04: Size (D × W × H mm/in): 69 × 69 × 155 / 2.72 x 2.72 x 6.1Insertion Length Approx. (mm/in): 150 / 5.91Insertion Width Approx. (mm/in): 45 / 1.77Weight (g/oz): 121 / 4.26 Level 05: Size (D × W × H mm/in): 69 × 69 × 155 / 2.72 x 2.72 x 6.1Insertion Length Approx. (mm/in): 150 / 5.91Insertion Width Approx. (mm/in): 45 / 1.77Weight (g/oz): 113 / 3.98 Materials: Insert Sleeve: Thermoplastic Elastomer (TPE)Casing: PELubricant Ring: PULubricant Ring Lubricant: Water, Glycerin, Propylene Glycol, Hydroxyethylcellulose, Sodium Polyacrylate, Phenoxyethanol, Methylparaben, Hydroxypropyl Beta Cyclodextrin, IPBCInternal Lubricant: Water, Glycerin, Sodium Polyacrylate, Phenoxyethanol, Methylparaben, Hydroxypropyl Beta Cyclodextrin, IPBC*Lubricants certified by EU Directive 76/768/EEC toxicological assessment.