I'm a girl and I'm not pregnant, can I use them?
Yes. The corrector gradually pulls the inverted nipple out using the suction generated by the corrector. Use for a period of time, it will the nipple shape.

Is there any side effect? Can I use them when I'm pregnant? Better use before or after giving birth?
There's no side effect. Better use before pregnancy.
If you're having a baby, use it during the stable period of pregnancy.

How to use the orthotics? How long will it take to be effective?
Press the orthotics with strength, suck the nipple for a while, then take it off and massage the nipple. Repeat the procedures.
Use the orthotics for 3-5 times a day, 5 minutes or a bit longer for each time (no longer than 2 hours).
It will be effective in several weeks. Continue to use until the nipple does not retract again.

Caution:
Clean before and after use.
Do not use if nipple has been injured.
Do not feed the baby with breast milk sucked out with this product.
If the process stimulates the breast and causes uterine contraction, skin allergies and other phenomena, please stop using.

Specification:
Condition: Brand New
Material: PP+ silicone
Color: , Blue, Yellow(optional)
Size: approx.7*3*3cm/2.8*1.2*1.2in
Weight: Approx.28g/1oz

Package list:
1 * Nipples Aspirator Puller