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Best Bottom Bamboo Cloth Diaper Inserts

2 reviews


Best Bottom inserts are what make Best Bottom diapers absorbent. They’re quick and easy to use; simply snap it inside the diaper and you’re ready to go!

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 six layers (eight layers in the XL insert!) of silky soft Bamboo Viscose. These inserts may feel more wet on the surface, but as they contain natural materials, many families find this to be a gentler option for baby. Natural Bamboo is a great choice for babies with sensitive skin!

 Best Bottom 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 Inserts are very quick and easy to use. Simply snap both ends into your favorite Best Bottom diaper and you’re good to go!

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 6-10 inserts per day or three per Best Bottom All in Two Diaper, 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.


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 Made from 6 layers of super absorbent, Bamboo Viscose, these all-natural materials are a great option for babies with sensitive skin!  

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Available in sizes ranging from Small to Extra Large

Sizing Icon


Has an hourglass shape that allows for a better fitand offers heavy leak absorbency

Person holding bamboo insert

How to Use Best Bottom Diapers

Best Bottom Inserts and Diapers are very quick and easy to use.

Snap insert into diaper drawing

Lay diaper flat and snap in your Best Bottom Insert

Adjusting snaps on diapers drawing

Put on baby and adjust snaps to desired size

Clean insert drawing

When changing, wipe the interior and if not soiled, snap in a new insert

See The Shape!

Arrows emphasizing hourglass shape of insert
Hourglass Icon

Hourglass Design

Best Bottom Inserts are designed with an hourglass shape, providing both maximum absorbency while keeping it trim and comfortable for your baby

How Many Diapers and Inserts Will I Need?

(We recommend preparing for 2-3 days between washes)

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You’ll need 8-12 diaper covers per day

3 cloth diaper inserts

With 3 inserts per cover

4 cloth diapers

Will equal an average of 24 diapers and 72 inserts

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Customer Reviews
5.0 Based on 2 Reviews
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Filter Reviews:
    Shawndra H.
    United States
    I recommend this product
    Excited to use

    I haven't used these yet as I'm only 24wks with my second, but I knew I needed new one size diapers as my previous stash was very small and thus very heavily used haha. And have been really interested in trying Best Bottom because of the versatility. My first was a very heavy wetter and Twinkie **** Night Nights were all that worked at night for her so I'm excited to have these as I know from that that bamboo is very absorbent. It does take a little longer to dry, but that's okay.

    Bamboo vs microfiber

    I am 6 months into cloth diapering and have tried a couple different inserts. I bought the small inserts in bamboo and when we graduated to the mediums (which was very quick) we went with microfiber. We are back to the bamboo and it is entirely because I'm convinced that the microfiber broke down overtime and lost their softness. We also started to get diaper rash which forced us into disposable for a short period of time. Personally, I feel spending the extra couple dollars to get the bamboo is worth it. They hold up better, absorb more and stay softer longer. They do take a little longer to dry, but again, that is because they are more absorbent. Now for the site to get more back in so I can get more!