This set includes a variety of containers ranging from 3.38-oz. to 28.74-oz. sizes. It features an airtight four-hinge locking system with leak-resistant silicone seals. The containers are BPA free, stain-resistant, and safe for dishwasher, microwave, and freezer use. Price drops from $76 to $26.93. Log into your free Macy's Rewards account to get free shipping at $25. Otherwise, shipping adds $10.95 on orders below $49.