1. What are the minimums? 

For smaller buttons, about 60 to 100 gross.

A lot depends if it is made from sheets or rods. However, any quantity can be made with a surcharge.

2. Do our buttons contain Lead or Nickel or anything that is not suitable for children?

All of our items are nickel, lead and phthalates free. 

3. Where do they manufactured in?  

Most of our buttons are from China except 47-1135-56(B). These are from Korea.