The Top-tainer design incorporates 3 safety measures for tamper proofing. It has a wrap around protective sleeve that goes around the lid and can edge, a tab that needs to be broken before the lid can be opened and a securely fitted seal with a double walled interlocking design.
The design also has an optimized scoop placement with the scoop attached under the lid out of the way of the milk powder. This means the scoop is not in the powder and can easily be found and accessed. This is also more hygienic, as you do not need to touch the powder to get the scoop or to store the scoop when not in use.