2000 Series. All Posi-Pors are available in ten sizes: 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-1/2, 1-3/4 and 2 ounce. Packed 1 dozen of one size per bag. Flip tops are available for all Posi-Pors.