Features:- 21 inch size, suitable for both kids and music beginner.- Color appearance, more able to attract the attention of children.- Made of plastic, durable.- Colloidal four strings, toughness, safety does not hurt the hand, each string can bring a different tone, to stimulate interest in learning.- Every ukulele sends a guitar picks.- Adjustable string design, different tightness can have different sounds.- Ideal for music beginner.Model Name: UK-O2Size: 21 InchColor: Blue / Black / Yellow / PinkMaterial: PlasticString: GlueApplication: Kids and Music BeginnerApplicable Age: Youth (15-35 years old), Young (7-14 years old), Children (3-6 years old)Package Weight : 577 G / 20.35 OuncesPackage Dimensions (L*W*H) : 565*200*75 MM / 22.24*7.87*2.95 InchesRetail Packaging: Yes, General BoxPackage Include:1 x 21 Inch Ukulele