A model presents a creation made with materials displayed at Interstoff Asia Essential-Spring 2013 exhibition in south China's Hong Kong, March 13, 2013. The three-day exhibition kicked off on Wednesday at Hong Kong Convention & Exhibition Centre. (Xinhua/Jin Yi)

A model presents a creation made with materials displayed at Interstoff Asia Essential-Spring 2013 exhibition in south China's Hong Kong, March 13, 2013. The three-day exhibition kicked off on Wednesday at Hong Kong Convention & Exhibition Centre. (Xinhua/Jin Yi)

Models present creations made with materials displayed at Interstoff Asia Essential-Spring 2013 exhibition in south China's Hong Kong, March 13, 2013. The three-day exhibition kicked off on Wednesday at Hong Kong Convention & Exhibition Centre. (Xinhua/Jin Yi)

A model presents a creation made with materials displayed at Interstoff Asia Essential-Spring 2013 exhibition in south China's Hong Kong, March 13, 2013. The three-day exhibition kicked off on Wednesday at Hong Kong Convention & Exhibition Centre. (Xinhua/Jin Yi)

Models present creations made with materials displayed at Interstoff Asia Essential-Spring 2013 exhibition in south China's Hong Kong, March 13, 2013. The three-day exhibition kicked off on Wednesday at Hong Kong Convention & Exhibition Centre. (Xinhua/Jin Yi)

A model presents a creation made with materials displayed at Interstoff Asia Essential-Spring 2013 exhibition in south China's Hong Kong, March 13, 2013. The three-day exhibition kicked off on Wednesday at Hong Kong Convention & Exhibition Centre. (Xinhua/Jin Yi)