Phones, Tablets and watches with flat and curved screens up to gorilla glass 5 will be supplied with soft 0.26mmthick TPU(to understand how thick it is, most commonly used, case friendly glass are 0.26mm and Full Cover glass are 0.33mm thick) and Phones, Tablets and watches that have curved gorilla glass 6 and above will be supplied with 0.17mm Regular thickness TPU.
eBay