0.017x0.025 upper, 0.017x0.025 lower. 0.018x0.022 upper, 0.018x0.022 lower. 0.018x0.025 upper, 0.018x0.025 lower. 0.019x0.025 upper, 0.019x0.025 lower. 0.021x0.025 upper, 0.021x0.025 lower.
One pack just include one size, not mixed pack. The sale of this item may be subject to regulation by the U.Food and Drug Administration and state and local regulatory agencies.