Number of variations
16
Size:
1 1/2, 3, 4 1/2, 6, 6 1/2, 7, 7 1/5, 8, 8 1/2, 9 1/2, 10, 10 1/2, 11, 11 1/2, 12, 13
16 different sizes
x 30 pieces of each size = 480 total for $16.00 free shipping