Description:Design: Electric nipple corrector?sleek and modern design is a stylish accessory for new motherMaterial:Nipple inverted nipple puller made of abs? , pp material, which is sturdy for long term use.?Portable: Electric inverted nipple corrector is compact and lightweight, which is easy to carry.?Features: Newborn breastfeeding accessories? adjustable suction,provides a gentle and effective pull. Gift: This Portable nipple correct flat and inverted nipple with ease to help breastfeeding is a gift for nursing mother on birthday,holiday.??Specification:??Size Chart:Suction cap diameters:?1.3cm/0.51inch, 1.5cm/0.59inch ,1.7cm/0.67inch?Package Includes:1 Nipple Corrector Device 1 USB Cable 3 Pairs Suction Caps1 TubeNote:1.This is not infant toy, please take away from children to avoid eating.2.Please allow slightly errors due to manual measurement and different monitors.