The phrase
"pink piping" refers to a decoration or trim that is in the color pink, usually found along the edges or seams of a fabric or item.
Full definition
The Loca Patent Leather Skimmer features a playful shape, tiny lift, and
hot pink piping on a mint base for a fun feel.
It's knitted in Italy to a cropped shape with a crystal - embellished button at the back and edged with blush -
pink piping along the crew neckline and shoulder seams.
In the living rooms, white upholstery and wicker and wood textures are set off
by pink piping and patterned coral throw cushions.
Clusters of ornaments lovingly cinched together with
pale pink pipe cleaner.
I also made the lumbar pillow from a scrap of blue and white fabric and
added pink piping to bling it up a little.
This pink piping is a dream too.
This mini-me flare dress features black sequin,
pink piping and a gold zipper that's pretty and playful.
I do however really like
the pink piping between each panel, which gives the skirt an extra dose of whimsical fun.