Lychee RR-9FT-3M-B Neon Glowing Strobing Electroluminescent Wire, 9ft, Blue Battery Pack Controller: On/Off Mode Requires 2 "AA" Batteries (Sold Separately) 9ft 3m Neon Blue Electroluminescent (EL) Wire (2.3mm) Great for Parties, Raves, Costumes & Decorations Easy to install, Cool to the touch