... cone, rubber speed hump, warning light,cautionboard,solar energer road sign,road stud,safety vest,and more relevant products.Meanwhile,wecan develope ... according to your special requirement or samples.Technical Information: *Defy Reflection > 400 (cd/1xm2)*Firm and complete unit*Highest temperature resistant ... at night: (250m)*Durable duty: (lengthen and shorten 150 times) road block