brand new and high quality Features: Physical redress correction, no side effects, safe and painless, comfortable, environmentally friendly. Small size, easy and simple to use. Can wear both day work and night sleep. Big suction, correct faster and better. How to Use: 1. Assembly the syringe puller and cup together (insert and tighten) 2. Put cup on the nipple 3. Pull the syringe, suck out the (flat) inverted nipple 4. Take off the puller, leave the cup on nipple Nipple Aspirator Puller Set only,other accessories demo in the picture is not included. Specification: Material: PP + Silicone Inner Diameter: app.15mm/0.59in Outer Diameter: app.30mm/1.18in Color: As the pictures shown Quantity: 1 Set Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: 1 x Syringe 2 x Traction Caps 2 x Vacuum Valves":