Si necesitas protección contra golpes o aplastamiento, es mucho mejor la de Sony. Finally a case that has just enough grip but not to much, not to mention that the silicon case managed to pick up EVERY piece of lint and dog hair it was ever near. I dont know if it does much for my pituitary system, but it does relax me. The black have a cool pale pink inside color which he also likes because he says pink is a happy color. Great for shoe storage in our RV Update the second pair purchased broke after wearing a second time! I had not read any of the reviews until just now 7-5-19. And my lips are super soft and moisturized. My toe is almost busting through the front. Couldn?t wear them, but didn?t return because they didn?t cost much so I will give them to someone.