The "Style GT 99 (synthetic weft) 6" appears to be a reference to a specific type of synthetic weft for hair extensions or wigs, with color 6.
Here is a possible description for this product:
"The Style GT 99 (6) synthetic weft offers a stylish and practical solution 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 6 is a versatile and classic medium brown that suits a variety of skin tones and styles. With Style GT 99 (6) synthetic weft, you can easily add length. , volume or highlights to your hairstyle for an elegant and natural look."
This description highlights the product's durability, quality, and specific color to help customers understand its features and benefits.