I find the 2" is most useful. I go through a box about every 6 Pre-wrap tape, or Powerflex. I also mentioned these in my hand-care post. I use this every Best Women Crossfit Shoes day, to wrap wrists (when using false grip on muscle ups), thumbs (when you're using hookgrip on a barbell), or hot spots on my fingers. Definitely a high-use item. I use Powerflex and I order it from ithacasports.com in a box of 24 for $54.99+shipping. months.
https://bestwomenscrossfitshoes.com/