The products of iSi Germany GmbH / Lock & Lock are super. The purchased this storage option with 1.2 liters has a very good size. She takes in the refrigerator no less storage space and is great for example for storage of meat, pasta, soup, etc. The rubber seal in the lid fits very well when placed on the edge of the lower outlet. The clips on the four sides of the cover can be easily closed without excessive force. Open also does not go too hard - at least you do not have finger nails which can tear or so about bends. Under the curved tabs can namely half the index finger are placed to open ...; Lock & Lock does not deform in the dishwasher. The quality and feel is very good, so strong buy recommendation.