The "Style GT 3 (synthetic weft) 3" appears to be a reference to a specific type of hair weft, with color 3.
Here is a possible description for this product:
"The Style GT 3 (3) synthetic weft is a stylish and versatile option for your hair extension needs. Made with high quality materials, this weft is designed to provide a strong, durable foundation for creating wigs or custom hair extensions Color 3 is a classic and timeless dark brown, offering a natural and sophisticated look. With the Style GT 3 synthetic weft (3), you can easily add length, volume or highlights to your hair. your hairstyle for an elegant and trendy look."
This description highlights the durability, quality and specific color of the product to help customers understand its features and benefits. If you need more information or would like a more specific description, please don't hesitate to ask.