Gear
Paper tapes
Clinical paper tapes are cheap, do not stretch, and tear; they are close to ideal for a single girth reading and poor for repeated ones.
A disposable paper tape is a thin printed strip, usually sold in a roll or a box of pre-cut pieces, used once and thrown away. It is the same idea as a strip of paper wrapped and marked against a ruler, pre-printed with a scale so the wrap and the reading happen in one step.
What it gets right
Paper does not stretch the way cloth or vinyl does, so a fresh paper tape does not carry the stretch-related error that ages a fabric tape over months of use. It is thin enough that tape thickness contributes almost nothing to the reading, and it is cheap enough that using a fresh one for every reading is a trivial cost - which incidentally also solves a hygiene question a shared cloth tape raises.
What it gets wrong
Paper tears under repeated flexing, so a single tape does not survive being wrapped, unwrapped, and rewrapped many times the way a cloth tape does across a series of readings. For three readings in one sitting or a reading repeated over months, that means either using a fresh tape each time - which is fine, given the cost - or accepting that the tape you started with may not make it through the session. It also has no self-tensioning mechanism, so tension still depends entirely on how you pull it, same as any hand-wrapped tape. A steel retractable tape sits at the opposite end of the same spectrum - why a steel retractable tape is the wrong choice here covers an instrument that resists bending as stubbornly as paper embraces it.
Handling it without tearing it early
Paper tears fastest at a fold or a sharp crease, so wrapping it around a curve rather than folding it flat before use extends how many times a single strip can survive being handled. Wet fingers or a damp surface soften paper quickly and are the fastest way to end a strip's usefulness before you meant to; dry hands and a dry site make a noticeable difference to how long one strip lasts across a short session. If a reading needs to be checked twice in the same sitting, marking the overlap point with a pinch rather than a fold, then laying the strip flat once to read it, gets two readings out of one strip more reliably than wrapping and unwrapping it twice.
Where it fits
Good for a single careful reading, less good as a tape you keep in a drawer and reuse for months the way a cloth or fibreglass tape is meant to be. None of this bears on a different kind of reading: Rate Cock scores a photograph rather than wrapping anything, a Penis Rater score is the same kind of judgement, a Rate Penis reviewer's opinion is a person's impression rather than a wrapped measurement, and an AI size estimate has no tape behind it at all.
Buy a small stack, use one per session, and do not expect one strip to last a year.