Amazon Basics Sleek Hybrid Series Cases and back covers combines the best features which customers usually look for in a phone case. The transparent PC + TPU bumper hybrid construction provides good protection because of soft shock-resistant tpu and all the clear pc on the back will never turn yellow even after using it for years. We have kept the cost under check and have used the best possible materials in making this case thus making it the best phone case/ cover you can buy at best price.