I've been using this one since getting the s7 in March. No complaints. I've dropping it a couple times with no issues - it landed screen up both times. Very thin, almost can't tell it's wearing a case, and it offers camera protection. Gives it a bit more grip than without the case.

https://www.amazon.com/Ringke-Precision-Fashionable-Steadfast-Bolstered/dp/B01ACAUFR0