Here's what the available information suggests about these types of brushes:

Model 6906T: This model number is associated with a black "Italian Hair Brush." One retailer lists it at a price of around PKR 845.

Model 6203T: While "6203T" is listed in your request, a search for that exact model number didn't yield specific product pages. It may be another model within the same generic "Italian Hair Brush" product line sold by the same retailers.

These brushes are typically described as:

Designed for Detangling: They often have flexible bristles that are designed to glide through hair, minimizing breakage and pain.

Versatile: They can be used on both wet and dry hair.

Ergonomic: The brushes are said to have an ergonomic handle for a comfortable grip, making them easy to use for styling.

Targeted Use: They are generally a type of paddle brush or detangling brush,