A bouquet of 15 red roses in premium packing would typically feature the following characteristics:

1. High-Quality Roses: The bouquet would consist of 15 fresh and vibrant red roses of premium quality. These roses would have large, beautiful blooms and long stems, showcasing their elegance and sophistication.

2. Premium Packing: The roses would be carefully arranged and presented in premium packing, which could include options such as a stylish box, elegant wrapping paper, or a sophisticated vase. The packing material would be of high quality, adding to the overall luxurious presentation of the bouquet.

3. Elegant Presentation: The bouquet would be arranged in a visually pleasing manner, with the roses arranged evenly and artistically to create a stunning display. The premium packing would enhance the beauty of the roses, providing a luxurious backdrop for the vibrant red blooms.

4. Finishing Touches: The bouquet may be adorned with additional embellishments, such as decorative ribbons, foliage, or other accents, to further enhance its appeal and elegance.

Overall, a bouquet of 15 red roses in premium packing would exude sophistication, romance, and luxury, making it a truly memorable and impressive gift for any special occasion.