15’ Woods 0600 Indoor Extension Cord with Three 2-Prong Power Outlets @ Amazon $4.99

THREE POLARIZED POWER OUTLETS: with this Woods indoor outdoor extension cord, you no longer have to go searching for power outlets as it gives you three polarized outlets which you can consolidate your electrical needs
DURABLE INDOOR EXTENSION CORD: sporting strain relief neck, be assured that these Woods indoor extension cords are durable and can last a last for a long time
INDOOR EXTENSION CORDS WITH SAFETY COVERS: this heavy duty indoor extension cord has safer covers which you can easily twist to cover the power outlets to prevent moisture, dust and dirt from getting into them
UL LISTED FOR ADDED SAFETY: the 15 ft indoor extension cord is very safe to use as it has been independently tested for quality and safety
SPECIFICATIONS OF INDOOR ELECTRICAL EXTENSION CORD: 15 feet; 3 polarized power outlets with safety covers; brown color

https://www.amazon.com/dp/B0067NP4ZU/