New design introduced in November 2014. 5 Sets (10 pack) of high quality and durable rubber thumb grips to protect your PS4 analog sticks and enhance your gaming experience. Comfortable to use with increased grip and precision. Ease and quick to fit. New 2 sets of concave and 3 sets of convex grips to cater for different tastes. 2 low, 4 medium high and 4 high thumb grips provide different levels of leverage and precision. Each set may suit a particular type of games the best. The choice is yours. Genuine product is sold exclusively by ButterFox. One year warranty for product sold by ButterFox