Article Library

Explore adult diaper types, absorbency, fit and everyday use. This library brings together the English articles available from Adult Diaper Information Center Japan. New English articles appear here as they are published.

English articles

Read illustrated explanations and practical points to check when choosing and using adult diapers and incontinence insert pads.

Waterproof sheets

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Flat adult diapers and sheets: uses, absorbency and layering precautions [2026]

Updated: October 27, 2026

A guide to flat absorbent diapers, their intended use with covers, limitations of breathability and leak guards, and precautions against layering.

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Portable toilet mats: waterproofing, deodorizing and grip compared [2026]

Updated: October 27, 2026

Compare portable toilet mats from five manufacturers, with differences between waterproof and water-repellent materials, odor control, grip and sizing.

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Disposable Absorbent Sheets for Perineal Washing

Updated: October 27, 2026

Learn how to place disposable absorbent sheets during perineal washing, precautions for use, and product size and absorbency examples.

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Caregiving Waterproof Sheets: Types and How to Choose a Size

Updated: October 27, 2026

Learn how partial, full-surface, and fitted waterproof sheets differ, how to measure a mattress, and what to check for washing and changes.

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Follow a three-step learning guide

Start with product types and structure, then move on to selection and fit, and finally to use and changing. The guides below are available in English. Links to Japanese articles are clearly marked.

STEP 01

Types and structure

Understand pull-on adult diapers, tape-fastened adult diapers, incontinence insert pads and pad-holding underwear. Learn what each product is designed to do.

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STEP 02

Choosing a product, absorbency and size

Check the product type, body fit, reference absorbency and time until the next change. Compare the features that matter for the person using the product.

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STEP 03

Fitting, use and changing

Explore insert pad placement, standing leak guards, fastening tapes, changing demonstrations, skin cleansing and disposal after use.

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