Best Plastic Screen protector for Oneplus 3

After fiddling around with a few orzley protectors , a pleson and a few other Tempered Glass screen protectors for the one-plus 3 , every one of them either causes or rainbow effect or somehow does not stick properly. I still regret removing the plastic that came along with the phone.

Is there a plastic protector available with full coverage available preferably in india ?

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