I have had the black silicone 7 plus case for a week now. I'm a clean person and take good care of all my equipment. 
Why is it discolouring or leaving marks where I hold my phone?
Anyone else with silicone cases have anything similar occur? Is this normal?
	
		
			
		
		
	
				
			Why is it discolouring or leaving marks where I hold my phone?
Anyone else with silicone cases have anything similar occur? Is this normal?
			
			