Coo Candles Coo Sleeves - Change Color of Electric Warmer Lamps These glass cylinders set inside our Coo Candles lamps. They work especially well in our Memory Box, Jasmine, or Bonsai lamp. They allow you to change the color of your lamp whenever you want. Change the color based on the season, your dcor, or your mood! Set includes one green, one red, and one blue cylinder For use with Coo Candles "Sleeve Friendly" Lamps that are sold here on Amazon. (Memory Box, Jasmine, and Bonsai)