I bought this one from Amazon for when I use my 6 Plus. It is sturdy and works really well. Plus, it's only something like 6 US dollars.
FPV Cellphone Monitor Sunshade Hood for Dji Phantom 2&Vision,Phantom 2 Vision+,Phantom FC40 Transmitters,Suitable for iPhone 4 4S 5 5S 5C,Samsung S3 S4...