Flying pad to take notes from ATC with diversion included on back-side with forced / precautionary landing procedures.
This is a great two-sided sheet you can print and use to take down instructions.
It includes dedicated empty boxes that you can fill with crutial information that helps to have organized for the flight including: Stall without flaps / stall with flaps (dirty), Vx, Vy (clear and dirty), weather info, atis, etc.