1)Flashing cap composition: 100% cotton Brushed deluxe cotton twill ,Self-fabric with hook and loop
2) Different  artworks available in skull, star, V finger, 
    Canada, cross, butterfly, Halloween, Ying Yang, heart and red lip 
3) Your custom designs are warmly welcomed, USD 40 as setup fee and 
    with 2 pcs samples included, with courier fee you paid
4) Works with 2 x CR2032 lithium battery (included and changeable) 
5) Cap colors available: black, blue, red, white 
6) We professionally manufacture 
 flashing caps according to customers' need