QR tracking: use the QR code to track your food and track its duration in the ZWILLING inary World app: more overview and less waste. MULTIFUNCTIONAL Our boxes are freezer safe, microwave and dishwasher safe, perfect for versatile use in the kitchen and travel. SHATTERPROOF Made of BPA free plastic, lightweight and shatterproof, our boxes provide durability and safety for food. Compatibility: All Fresh & Save pumps and lids are compatible - flexible and easy to store. Vacuum freshness: thanks to their vacuum function, our boxes ensure longer freshness of your food - up to five times longer than conventional vacuum storage. Zwilling 36801 322 0 Vacuum Lunch Box Set Size L Flat 6 Piece Plastic