The tube’s heavy.-duty walls gives a very solid framework, which prevents their collapsing, without altering the proverbial flexibility. A predominant feature is also the transparency of the material, which allows the direct observation of the liquid flowing. The formulation of the material has been specifically developed to withstand the attack of milk acids.  It doesn’t contain phthalates (DEHP), considered harmful to humans beings. The customization of colour and logo is completely free, if your order can reach 1.500mt Customizations are also possible by: size, strength, formula, packaging, labelling. We recommend to replace this article once a year.