These are artificial Pine and Fir trees which are produced world over during the time of Christmas. They for a substitute for the traditional Christmas trees and they are easily available when compared to the original one. The ancient types were made of wood and feather finishing while in the recent times pure plastics (PVC), aluminium and fibre optic trees are available. These trees can be artificially designed to alter its appearance in order to make it appealing. Feather trees were originally made in Germany and they consist of green-dyed goose feathers. This type of trees has provision for candle holders as well. Most modern artificial trees are made of plastic. They come in a variety of sizes and shapes and possess the quality of being long lasting. This very attribute enhanced the sales of these trees. The long lasting ability is due to the use of high quality plastics which can withstand various atmospheric conditions. The natural Christmas trees have been facing a stiff competition from these artificial Christmas trees. The main reasons are one time purchase, cleanliness and safety. However there is still a debatable speculation that artificial Christmas trees causes more harm to the environment than the natural Christmas trees.