1.5 OZ. UV REACTIVE GREEN GLOW SHOT GLASSES ARE UV REACTIVE AND ROCK THE PARTY WITH THE POWER OF BLACKLIGHT. BLACK LIGHT PARTIES AND GLOW EVENTS WILL NEVER BE THE SAME, JUST PARTY AND WATCH THE U.V. LIGHT MAKE YOUR SHOTS GLOW BRIGHT. THIS IS THE PERFECT P. COMPLIES WITH ASTM, CPSIA, PROP 65. 2" W X 2.25" H