Set of 2 Earth Bulb CFL 23 Watt=120 Watt Energy Efficient Blue Light Bulb PAR38 Set of 2 Earth Bulb 23=120 Watts Blue Light Bulb 75% less energy used than ordinary 120 Watt light bulbs Lasts 9 years Festive Blue color to show Autism support, spice up a party or change the mood! Bulb Measures 6" x 4.5" x 4.5"