― Case Mate Custom Case* £25 ∙ I'm an avid photo taker and love Instagram with a passion, so having a customisable iPhone case is very exciting and pleasing! Case Mate allows you to customise your own iPhone case with photos from Instagram or Facebook. It's really easy to design and it didn't take me long to make my own bespoke case! You simply log in to Facebook or Instagram and then select your images and drag them into the spaces. The on-screen step by step is very easy to follow. [...].