Our TraumaSim Training gauze is 6ply, z-folded, white stretch cotton, vacuum sealed for protection and can be used with our Haemostatic Clotting Trainers to practise wound packing. This product is for training purposes only & not for clinical use. It is not simulated gauze and is completely inert, has no clotting agent and will not react to blood. Please note: this is for training purposes only & not for clinical use. It is not simulated gauze, has no clotting agent and will not react to blood.