Measure your size – Women
Bust: Measure under your armpits, around your shoulder blades, and over the fullest part of your bust. ...
Waist: Measure around your natural waistline. ...
Hip: The hip should be measured around its fullest part (about 8 inch. ...)
Inseam: This is the measurement from your ankle to your groin, when you stand with your legs straight.
From the manufacturer
The iTap 2 Wireless is a magnetic wireless charging air vent mount that charges smartphones with a simple tap. Featuring two powerful rare-earth magnets, the mount includes a Metal Plate system that delivers a strong magnetic connection and an optimal wireless charge. Installation is simple with a Twist Lock that holds firmly onto most vehicle air vents. The iTap 2 Wireless Air Vent mount delivers performance and convenience for a safer driving experience on the road.