This model is very similar to OXO divider, one button will fix the length of the divider.
It can be adjusted between 27.5cm to 43.5cm long. Very sturdy. Made from high quality ABS.
Can be used to divier clothing, plates and bowls, tools, children toys, small objects, you may also use it to divide books on the book shelf, etc.
For large orders, customized packaging is possible.
Here are some detailed pictures.