This set seems to cater to designers, advertisers, and content creators looking for high-quality, authentic teen portraits. Without specific details on the resolution, diversity of the subjects, or licensing terms, it's challenging to provide a detailed assessment.
Assuming high-resolution images with varied expressions and settings, this set could be invaluable for projects requiring contemporary teen imagery. The usefulness would largely depend on the specific needs of the user, such as the exact demographic focus or the required image style.
The value would depend on the pricing, the number of images, and their quality. A diverse and high-quality set could offer significant value for users who frequently need such imagery.