Features: Package well and protect your privacy Best material: Zine Alloy, 100% New and workmanship Magnetic design, Super Strong Magnetic Easy to wear and take out Difference used ways. Wear on your penis or testis, it is better functionality than the lock and more convenient for operation Delay the ejaculation time Specifications Material: Zine Alloy, Color: Siliver Inner Diameter Size and Weight: 30MM/1.18", 136g/4.8oz, 35MM/1.38", 152g/5.36oz, 40MM/1.57", 163g/5.75oz, 45MM/1.77", 181g/6.38oz, 50MM/1.97", 195g/6.88oz Thickness: 15MM/0.59" Package 1 x Ball stretcher Nipple suckers: Description: Twist-top cupping is a modern development based on traditional cupping. It produces the effects of traditional cupping methods and eliminates some of the disadvantages. Each of these cups generates its own vacuum through the action of a screw valve with rubber seal in the cup body. Just put the cup on the desired area and twist, the cup will remain attached. Rotary piston exhaust method replaces the traditional method of ignition exhaust, no worries burns, safe and secure, greatly facilitate the people to use, both for the hospital, but also for families. Features: Material: Plastic Color: As the picture show Diameter: 2cm/2.5cm/3cm Cupping tips: 1. Usually once a day or every other day, every 5-15 minutes (often those bubbles, the elderly and infirm and children 5-7 minutes is appropriate); 2. 7-10 times for a course of treatment, rest 3-5 days after the next course of treatment, it can be flexible based on individual physical condition. Package included: 1pair X Suction Cupping Package Discreet packaging. All items are carefully sent to the buyer so that no one saw what was inside. Contact us If you have any questions, please feel free to contact us, we will reply for your message within 24-38 hours. Please be patient. We cannot answer your questions on Sunday, Saturday and Chinese holidays. Payment If you order more(>=10pcs),please free contact us before you pay. We always give buyers a discount. More orders,more cheaper. Feedback Negative / Neutral feedback doesn't resolve problems. Good communication can solve any problem