The replaced battery case is made by texitle ejected.makes the back case durable and ventilate ,
Yes, It is super thin and slim ,also elastic.
It is the charming pattern and uniqu design to samsung Galaxy S4 Battery case replacement
You will find in the below picture is about the inner design.
It is for sticking a wireless Charging card in the position
The wireless Charging receiver card is very thin, follow this product link,you will know much about the wireles card.
So interesting and new fashion in hand.please follow us other different patterns.