... cards,mobile phone etc, it can't slip out of pocket because of non-slip material 9.Fashion design, and make your ... difficult to replace, in the application has the following advantages:non-toxic, odorless, chemically stable, insoluble in any solvents ... gel has a rigid frame structure, high mechanical strength, good wear resistance.silicone non-deliquescent, non-corrosive and non-soluble in water ...