1. With electronic light, lower wastage, prolong using for one week. 2. Reflective material meets international standard level. 3. Different sizes for your choice: S, M, L, XL 4. EN471 CE We shall be glad to give you our competitive quotations upon receipt of your detailed requirements. In our trade with merchants of various countries, we always adhere to the principle of equality and mutual benefit. It is our hope to promote, by joint efforts, both trade and friendship to our mutual advantage.