There are at least five different child resistant functions that could be applied to all tin size of metal packaging, for example, rectangle, square, triangle, hexagon or irregular shape could be matched well. Every tin box could be achieved to child-resistant version by CR Tin. As customized child resistant tins, Gen1 and Gen2 child resistant tins could be a classical example. Miniature Tin Cans, Mints In Tin Boxes , Metal Tin Cookies , Child Resistant Tin Box ,Small Black Tin Box . This airtight child resistant tin is based on Gen1 rectangular hinged child resistant tin. Unlike the other airtight child resistant tin, the airtight standard of CR Tin is the strictest that packs water or under water without any leaking. The hinged area of Gen1 child resistant tin is the largest trouble for air tight space. Adding the metal holder to resist the gaps of hinge and the connection area between lid and bottom and then increasing a silicone piece in lid to keep air tight space is the best solution. Gen1 child resistant tin box would be air tight after closing tin box that the inside metal holder is pressed tightly by silicone gasket on lid to form an airtight space. Thicker and softer silicone gasket could keep the tolerance on metal holder that could ensure the quality of tins. The appearance of tin, but it needs to add the metal holder and silicone gasket to keep Gen1 child resistant tin box with fully airtight. It’s totally air tight condition and recycling child resistant tin box that could be applied to various infused items like pre rolls, gummies, flower or cartridges. The product will supply to all over the world, such as Europe, America, Australia,Comoros, Pakistan,Johannesburg, Panama.The size of larger Gen1 child resistant tin is 120x60x20mm. Comparing the other child resistant tin box, Gen1’s child resistant lock could match PET window well and no extra accessories for this child resistant tins. The inside space is appropriate to fit one set vape battery pen set. The transparent PET window could display the vape battery pen directly and Gen1’s child resistant lock Press & Lift could be opened without instruction because of the obvious child-resistant lock, the customized PS insert could protect vape pen set well, these characters consist of this attractive vape battery pen set child resistant metal packaging.