https://www.amazon.com/Kala-Mahogany-KAA-15S-Soprano-Ukulele/dp/B00C2DJUXQ/ref=sr_1_1_sspa?ie=UTF8&qid=1512760564&sr=8-1-spons&keywords=Kala%2BKA-15S%2BMahogany%2BSoprano%2BUkulele&th=1
别忘了买felt