Microwave, Fridge, Dishwasher, & freezer, safe. Oven Glass containers are 100% leak-proof, with four tight snapping/locking handles on each container.;Tempered & Heat-resistant Glassware. Useful for cooking. Refrigerator and freezer safe. BPA Free.;Leak-proof, with four tight snapping/locking handles.;Sizes: (12.5oz) 6 x 4.4 x 2.3 - (21.6oz) 7 x 5.1 x 2.6 - (35oz) 8 x 6.1 x 2.9;Oven safe with super heat resistance up to 600C / 1,112F