ITEM NAME:Cool Anti Gravity Case For Galaxy S8 Phone Cases Anti Gravity Adsorb Back C Z3V6 Cool Anti Gravity Case For Galaxy S8 Phone Cases Anti Gravity Adsorb Back C Z3V6 Long use will make the surface adhere to a little dust, as long as a small amount of water can be cleaned, after cleaning, please wait for water to dry before use. Can be in some vertical plane adsorption:Glass,metal,ceram-ics,paint,white board,wood,mirror,plane clinker,etc,to make you a better release hands in life and convenient to use. using nanotechnology,has super adsorption.can be used on any smooth surface.can repeat using,could wash with water after getting dirty. assemblyed by PC and TPU and import back stick material.Perfect fit your phone and protect phone well. As long as pressed lightly,it will be adsorbed on the surface. Colour: Black Material: TPU+PC Package Content: 1* S8 anti-gravity mobile phone case