YR-Seasons 16" Acoustic Viola For Adults Student Starter Kit - (Viola + Case + Bow + Rosin) - Brown Color 16" in size, suitable for the adults. Include an acoustic viola, case, bow and rosin in a pack. Fingerboard Material: Aluminium Alloy. Top Material: Maple. Viola Dimensions: (26.77 x 9.45 x 3.14)" / (68 x 24 x 8)cm (L x W x H).