1.Mini solar key chain 2.ABS plastic. no require battery 3.Small size. Easy to carry 4.Promotional gifts 5.Cheap price. Popular solar key chainGood for promotional gifts and crafts. Solar key chain with 100000hurs lifetime.Cheap price and super quality. 2pcs 18000MCD lighting, Internal condensing mirror provide you much more light. OEM order is welcomed. Specifications 1. ABS resin plastic shell. ...