bumGenius 4.0 One-Size Cloth Diaper

Disclosure: This is an unsolicited and unpaid review. I received this product in exchange for highlighting this business. All opinions are my own.

bumGenius 4.0 One-Size Cloth Diaper

The majority of our diaper stash consists of the bumGenius 4.0 One-Size Cloth Diaper. These diapers are so easy to use and the are designed to mimic the look of a disposable diaper. When we have family watching Caden these are the diapers that I leave out for them to use.


  • Closure options: snap or velcro. We have an equal mix of both but I personal prefer the snaps. My suggestion is to get these with snap closures especially if you plan on using them for multiple children.
  • Adjustable sizing using the 3×3 snap down design. One diaper fits small, medium and large sizes (approximately 7-35+ pounds).
  • Diapers are bundled with two inserts.  The newborn insert for newborns and a one-size insert for your older baby. We also like to stack these inserts together now that Caden is older for extra absorbency.
  • Wide slot opening makes it easy to stuff and remove insert. Some of the other pocket style diapers are designed with narrow openings for your inserts making it harder to stuff your inserts. These are nice and wide and very easy to stuff and remove. Trust me the last thing you want to struggle with is removing an insert from a dirty diaper.
  • Fun designs and colors. bumGenius has great patterns and colors that they use for their waterproof covers. This is the part of cloth diapering that can become addicting.


Make sure before you use your cloth diaper(s) for the first time you washed everything at least once. There can be residue left on the fabric from the production process that can cause your diapers to not be as absorbent. The more you wash them the more absorbent they become.

General Washing

  • If the diaper has hook & loop closures, secure the laundry tabs.
  • Pre-wash cold to remove waste and fight stains.
  • Wash hot with detergent to cleanse your diapers.
  • Follow with a second rinse.
  • Line-dry covers and diaper shells. Tumble dry inserts, fitteds and prefolds.

You can use 1/4 cup or 60 mL bleach in the hot wash once per month to keep your diapers fresh and bright.

 Be Sure To Avoid…

  • Extra additives in your wash (like baking soda or vinegar). These ingredients are unnecessary and will cause problems in your diapers.
  • Fabric softeners.
  • Desitin and any other diaper rash cream that has not been deemed cloth diaper safe.


bumGenuis Website, Amazon, bumGenius Facebook, bumGenius Twitter

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  1. These are the diapers we use and WE LOVE THEM!!!!
    Bridget recently posted…3 day weekends are the BESTMy Profile

  2. I’m still not sure I could ever do cloth diapers, but I love your tips and information! Maybe for my next one if I can work up the courage
    Rachel @ Blonde with a Chanse recently posted…Focus on what you do have, rather than on what you don’tMy Profile

  3. I am pregnant with our 3rd child, and I am just now getting around to considering cloth diapers. I know, a little late, considering this will be our last baby, but everything I’ve read it should still pay off in the long run, not to mention all the other environmental/health benefits. Ironically, these were the exact ones we are looking into! Thanks for all the great information.

  4. I love these diapers so far! These make up our entire stash of cloth diapers. We have the snaps which I feel like will last longer even though I’m sure the hook and loop is easier! Just an FYI, cotton babies stands behind their diapers. One of my snaps cracked so I followed the instructions for repair/replacement. They sent my diaper back with a brand new snap!

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