Article in English: Regular sized wine and spirits bottle of approximately 750 milliliters (25.4  fl oz) work best. Purchasing enough bottles to decorate a bottle tree can be very expensive, so try to reuse as many as you can. You can even make a recycling drive for old glass bottles. In the folklore associated with bottle trees, blue is the best color for deterring spirits. Sky vodka bottles can be combined with almost any other color of bottle for a multi-colored bottle tree. Unless you want to advertise your favorite drink, you can remove the labels by soaking them in a mixture of vinegar and water. Remove stubborn labels with Goo Gone, or a similar orange cleaner. The place where the label was may be sticky so  you should clean it thoroughly until the glue is completely gone.

Summary in Indonesian:
Mulailah mengumpulkan botol untuk pohon botol Anda. Pilihlah botol terutama yang berwarna biru. Buanglah label botol.