A new Reddit post contains images of cases that could have been designed for iPhones. However, both examples of these new cases also do not appear to fit the iPhone X. Therefore, they may be intended for the anticipated new 6.1- and 6.5-inch display models. Both cases bear Speck branding.
https://www.notebookcheck.net/Leak-claims-cases-for-new-iPhones-found-in-Walmart.329086.0.html