Here's what Rudolph found for you:

Socket Stuffer, Screw In Socket Covers, Seals for Empty C9 Sockets, Green, Pack of 25

Socket Stuffer, Screw In Socket Covers, Seals for Empty C7 Sockets, Green, Pack of 25

Socket Stuffer, Screw In Socket Covers, Seals for Empty C7 Sockets, Black, Pack of 25

Socket Stuffer, Screw In Socket Covers, Seals for Empty C9 Sockets, White, Pack of 25

Socket Stuffer, Screw In Socket Covers, Seals for Empty C9 Sockets, Black, Pack of 25

Socket Stuffer, Screw In Socket Covers, Seals for Empty C7 Sockets, White, Pack of 25

Safe-T Caps Socket Cap Covers for C7 and C9 Bulbs Stringers, Green, Pack of approximately 100 [CLOSEOUT]

Slide-On Plugs / Vampire Plugs, SPT1, Male, Pack of 25, Green

Slide-On Plugs / Vampire Plugs, SPT1, Male, Pack of 25, White