... & high quality 3, OEM & ODM Welcome Hot selling LED CAP High quality1. 100% Cotton & High quality 2. OEM & ... , LED's built right in the brim, when they are off it looks like any normal baseball cap.2, ... built in ON-OFF switch under brim.3, Adjustable-cap has a velcro adjustable strap in the back.4, ... workshop and Auto repair.7, Treat yourself and this cap looks so cool, A perfect gift for many occasions ...