Own the 2 inch inflatable pad and it works well.
Open the valve and let the air inflate though it'll take awhile.
If you want a firmer pad, then blow into it then shut the valve. Be careful not to over inflate the pad for a firm pad as it may pop.
It's easy to clean and relatively easy to store into its own stuff bag.
Buy when it's on sale.
This review was written in the old system and had content requirements that are different than reviews written today.