Vacuum seal requires a dedicated Zwilling vacuum sealer Product Size (W x D x H): 8.6 x 5.7 x 3.6 inches (217 x 146 Capacity: 0.5 gal (1.6 L) (maximum storage capacity 0.4 gal (1.3 L) Materials: Polypropylene, ABS resin, Silicone rubber Country of Origin: China Microwave use: Only the lunch box with the exception of the lid (heat within 5 minutes / avoid heating of oil foods) Oven Safe: Not Freezer Safe: Yes Dishwasher Safe: Only the lunch box (excluding lid)