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Best Bottom Overnight Bamboo Cloth Diaper Inserts

43 reviews


Best Bottom Overnight Inserts are perfect for adding extra absorbency to your favorite Best Bottom Inserts. They are great for babies and toddlers who out-pee their diapers during naps or nighttime, as that extra layer of absorbency does the trick!

They’re easy to use, as they simply snap underneath the other insert. The hourglass shape allows for maximum absorbency while keeping it trim around the legs.


- Small: Birth-14 lbs

- Medium: 11-22 lbs

- Large: 16-35 lbs

- Extra Large: 26-45 lbs

*Size/weight suggestions are approximate.


Made with eight layers of absorbent Bamboo Viscose, these inserts are made to be used in conjunction with your favorite Best Bottom insert to keep your baby leak free overnight.

Best Bottom Overnight Bamboo Inserts offer our Super Absorbency, which is usually sufficient absorbency for even the most hydrated baby!
Preparing for Use

It’s always recommended to wash any new cloth diaper products before use, to remove any dust from manufacturing and shipping.

With Natural Fibers, we recommend washing them 3-5 times with detergent, drying in between to maximize absorbency. Natural fibers will become more absorbent over time.

If you prefer to use after one wash, note that you will need to change sooner or add additional absorbency. You can simply throw your new products in the wash with your normal laundry or diaper laundry. We recommend you do not use fabric softener or bleach on any cloth diaper products.

How to Use

Best Bottom Overnight Inserts are very quick and easy to use and go underneath your insert of choice. Simply snap your insert on top of the overnight insert, and snap them into your favorite Best Bottom Diaper. With two layers of inserts, you’ll be good to go all night long!

Wash and Care

  Washing Your Inserts:

1) Remove solids: Knock solids into toilet, Dunk n’ Swish, use a diaper sprayer, or diaper liner to help.

2) Remove insert from the diaper before washing. 

3) Run a rinse cycle on cold.

4) Run a full cycle wash on warm/hot with additive-free detergent. We recommend the use of Tide detergent. Do not use detergents with added softeners or stain removers. 

5) For best results, run one more rinse cycle on warm/cold. 

6) Line dry or tumble dry or on low/medium.

Care For Your Inserts:

Fabric softeners and rash creams can ruin the effectiveness of the absorbency. We recommend you do not use them. If you need to use a rash cream, we recommend the use of a liner along with cloth diaper-friendly products.

Dirty diapers and inserts should not go unwashed longer than 2-3 days for risk of staining

Nicki’s Recommendation

 We recommend having at least 1-2 overnight inserts per night, but quantity may vary per child and their age.

Best Bottom inserts are designed to be used in all styles of Best Bottom diapers. However, the XL insert will only fit in the Best Bottom Bigger All In Two Diaper Cover on the largest rise setting.

Although Best Bottom Inserts can be compatible with other brands, they fit best with Best Bottom diapers.


Customer Reviews
4.9 Based on 43 Reviews
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Filter Reviews:
    Summer M.
    United States United States
    I recommend this product
    I use it as a doubler for 2 hours

    This is great, using this with a large hemp on top, keeps my heavy wetter dry for 2 hours! No more wet pants! I wish I could use it for overnight, he just pees too much

    Nicki's Diapers

    Hey Summer! I am so happy that you have found the best insert for your heavy wetter! Yay for no leaks :)

    So many way to choose from

    I really like these inserts, especially their many customization options. Mix microfiber top with hemp for night time. Use a smaller insert for a trimmer fit or a bigger one for a little more absorbancy. Add a small under a large for extra toddler protection. I just wish they had more of a loop design so that they would clean/dry better. Otherwise, I love them.

    Vanessa A.
    Love the Organic Cotton/Hemp Inserts!

    These are by far my favorite inserts. My lil guy has very sensitive skin and is prone to diaper rashes. With these inserts he hardly ever gets them. Which alone is a huge deal. But I also love that they are trim in size, I can pair them with the organic overnight insert and have no night time leaks, and throw them in the dryer on washing days and have them ready to wear again much faster than AIO's.

    Jaime C.
    Our favorite inserts

    These inserts are really great. We use the small hemps for the infant months and move up to the medium and large stay dry when we get into the heavy toddler wetting stage. They always hold it all and are great for overnight while still being trim. They don't take up a lot of room in the washer and hold their shape even with line drying.

    Brittany S.
    im sold!

    I was very iffy about trying a new system but wanted something easy for travel. I got a few of these inserts and after trying them out a few times, I've been sold. they are great especially for outings. they are absorbent, easy to use, very trim, and fit great in my diaper bag. I do like that there are blend options available and over night options. its hard to choose a favorite.