3. strap: made of nylon, polyester, spandex and rubber.
4. With steel ring
5. Color: Any colours could be provided
6. Size: Asia size and European sizes
7. Packing: upon customers request
8. special feature: seamless design ,comfortable to wear ,with the special glue work and productive technology as its vital advantage over the others, the cups and straps are made out one-off, and put the steel rings into the bras simultaneously, people almost cant find wheres the seam, join in the bra.