... material like cotton ,polyester,etc .Hight brightness counsume low power .LED brightness is 13000MCD . Can keep continue working for 10 hours ... batteries .Specification :1.Weight :2*35g .2.Material :Cotton glove +cob+led3.Body color :White color .4.Switch :Button on /off ... .5.Battery :2*2*CR2032 ,Can change battery .6.LED Color :5red ,5 blue ,5 green ,Seven color .7.Battery ...