Amazon has Escolite G40 String Lights Indoor Outdoor for $8.75 with the coupon code 53DSLJSA
Bulbs per string: 25ct.
Bulb Spacing: 12 in.
Diameter of Bulb: 1.5 in.
Bulb & Socket Type: G40/E12 base
Wattage: 5W per bulb/125W per string Lighted.
Length: 24 ft
Total Length (end to end): 25 ft
Length of segment from plug to 1st bulb: 1/2 ft (6in)
IP level: IP44 (UL listed for indoor and outdoor use, but not suitable for extreme weather conditions).