Protected phone well but case coming apart after 9 months

The case looks good, makes the phone easy to hold, and it protected the phone well when I've dropped it a few times over the past 9 months, but it's now starting to come apart. The sides of the bumper on one side are separating from the clear plastic back (see photo). Probably from being shoved into and pulled out of my pocket hundreds of times over the 9 month since I bought it, but I had hoped for more. I saw the same problem in the past from a similar case from a different vendor (with iPhone 5) so it may be inevitable in this style of case.

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