Material:
1.Top, back and side are made out of years' nature dried mahogany rather than cheap plastic, which can produce really great clear and melodious sound.
2.The frets and tuning gears are made of alloys and tuning head is ABS. The alloy tuning pegs are smooth and you can tighten the strings easily by tuning the heads.
3.Properly installed with four nylon strings, which are standard even on professional instruments. It has a good, clear tone, and has not buzzed at all.