Set includes (1) 4 cup/0.9 L Container, (1) 3.5 cup/0.8 L Container, (2) 1.6 cup/380 mL Container, (1) 1 cup/240 mL Container, (3) 4 oz/118 mL Container and 8 BPA-free plastic locking lids Four locking tabs secure the airtight, leakproof seal Durable borosilicate glass containers can go from freezer to pre-heated oven (or microwave) without the risk of shattering Silicone gasket is removable for thorough cleaning, and the Smart Seal Glass Containers nest and stack for convenient storage Lids fit all same size glass and plastic Smart Seal containers Naturally BPA free, oven, microwave, freezer and dishwasher safe