Outside is a chamber for one content,inside has another chamber for another contents,one tube can filled with two different contents without mxied together.But after squeezing,you can mix the two formular together,it is a good packaging for hair dye products which normally use two packaging to contain two different materials.When hair dye products are filled in such products,it will makes user conviently as they just need to squeeze one packaging and then,you can mixed them together when they come out,user can keep their hand clean without dyed as the traditional hair dye industry used. |
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