There is no difference between normal tin box with this round child proof tin can. There is a gap in the lid and three slots in bottom side, it will be opened when the gap passes through a slot of three. Two slots keep the lid tight and ensure the lid wouldn’t be opened easily, it needs Lift and Turn to open this child proof tin version. Comparing the rectangle airtight child resistant tin box, adding silicone pieces to this round airtight child proof tin can directly because the rolled inside lid can hold silicone gasket very well. All the features achieve the lower cost with stable child proof mechanism and the lower weight. It’s fully tinplate material with silicone gasket for this airtight round child proof tin can that belongs to sustainable packaging.