Away from home, disposal needs a spare that is still wrapped, a wipe if you use one, and a trash can you can reach without crossing the whole building. Adults who already use pads, guards, or briefs can plan that before the errand. So can the adult child who packs the bag.
The spare matters because its wrapper is the cover for the used piece. Several listings in a daytime kit say the product is individually wrapped. That wrapper is already in the bag if you packed a spare. Fold the used pad, guard, or pull-on into it, and put the bundle in a trash can. If the restroom bin is missing or full, use another trash can in the building. The wrapper from the spare is the cover in your hand.

What to have in the bag before you leave
Prevail Daily Pads for Bladder Leaks, Maximum Absorbency, 13 in, 39 ct, is a pad the listing says is individually wrapped and latex-free. The recorded price was $19.36. Amazon showed that recorded price when the article was written. Take two from the 39-count for the outing. The rest stays in the cabinet. Check the Amazon listing before buying; its price, count, and size may have changed since this article was written.
Depend Guards Incontinence Pads for Men, Maximum Absorbency, 104 Count (2 Packs of 52), is described as individually wrapped in a pocket-sized pouch meant for briefs or boxer briefs. The recorded price was $33.99. Amazon showed that recorded price when the article was written. The pouch is the reason this guard is easy to carry as the spare. Prevail Daily Male Guards, 12-1/2 in, 14 ct, is another cup-shaped adhesive guard the page says is compact enough for a gym bag, desk drawer, or travel kit. The recorded price was $37.99. Amazon showed that recorded price when the article was written. Either guard can be the spare. Pack the one the person already wears so the fit in the bag matches the fit they know.

A wipe is the other thing worth a pocket. McKesson StayDry Disposable Wipe comes in a 50-count pack of large adult washcloths with aloe, listed as alcohol-free. The recorded price was $20.39. Amazon showed that recorded price when the article was written. One or two wipes in a small bag is enough for a change. The 600-count case of the same line had a recorded price of $38.75. Amazon showed that recorded price when the article was written. That case is a house supply. FitRight Personal Cleansing Wipes with Aloe, unscented, 8 by 10 inches, 816 count, is larger still. The page calls them pH-balanced, hypoallergenic, and alcohol-free, and markets them for incontinence care and sensitive skin. The recorded price was $36.99. Amazon showed that recorded price when the article was written. Open that case at home and move a few sheets into the kit.
When the nearest bin is a bad one
If the bin is open, full, or in a crowded room, carry the wrapped used piece to the car or to the next stop that has a closed bin. The wrapper from the spare is what makes that short walk less obvious. You are holding a small packet, the same kind the new product came in.
If you are packing for a parent, put the spare and the wipes in the same pocket every time. A change goes faster when the hand does not have to search a tote that also holds mail, glasses, and a water bottle.
Related reading: A small daytime kit and Long car rides and spare changes.