"S-Yaky 14:1" appears to be a reference to a hair extension or a specific type of hair weft, with a length of 14 inches.
Here is a possible description for this product:
"The S-Yaky 14:1 extension offers a stylish and versatile option for adding length and volume to your hairstyle. Made with high quality materials, this extension is designed to provide a natural look and soft touch With a length of 14 inches, it offers a medium length that suits many styles and preferences. The S-Yaky texture offers a similar appearance to natural hair, with a slight wave for an added touch of glamour. Transform your look with the S-Yaky 14:1 extension and enjoy a sleek, trendy hairstyle in an instant."
This description highlights the quality, texture and specific length of the extension 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.