The illuminated apparel led light up baseball cap is a black cap with led lighting in the brim. on the side of the cap there is a pressure switch that turns on or off the blue illuminated brim or one of the two flash modes. the cap is adjustable with velcro and fits perfectly with illuminated apparel t-shirts and sweatshirts.features- adjustable with velcro- brim depth of 8 cm- works on 2 x cr2032 batteries (included)product information- product: ia led light up baseball cap - black with blue light- material: cotton- weight: 90 grams- colour: black- packaging: gift packaging- packaging dimensions: l 30 x w 21.5 x h 3.5 cm - packaging weight: 93 grams- brand: illuminated apparel