Joyin&reg; Pack of 10 Bulbs,Replacement Glass Bulbs for String Lights with G40 Clear Globe Bulbs(5W,Warm Incandescent,1.5") 1.5" incandescent bulbs. 10-count bulbs per pack Clear glass bulbs cast a warm white glow Fits Socket: C7 / E12 base,. Each Piece 120V/5W UL listed for Indoor and Outdoor Uses For G40 String lights, please search asin B00ZTR471C