Super Undies - Step Up Insert

Marsoni

M251S

$10.95

Get it in 3 business days with 1 day shipping. Friday, May 29

Super Undies - Step Up InsertThe perfect insert if your super hero requires more absorbency for either nighttime or daytime. These inserts add a layer of additional protection and absorbency. If you're using the Step Up Insert with the Fearless Potty Training Pants then you will need Size 1 2. If you're using the Step Up Insert with the Big Kids Trainers then you will need Size 1 2 insert for Sizes 1 & 2 and Size 3 4 insert for Sizes 3 & 4. Step up Inserts have a contoured shape

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Your Super Undies - Step Up Insert orders ship within 1-2 business days.

Delivery Options:

Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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I am new to sublimation printing, and purchased this based on recommendations from multiple websites. I'm so glad I did! It transfers well onto several mediums, including shirts, totes, mousepads and cups. I've never had any jams or misfeeds, and the quality of the paper is high. I'll definitely purchase again!

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Reviewed in the United States on February 3, 2026