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. (allthingschic.net)
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. (matchesfashion.com)
In the living rooms, white upholstery and wicker and wood textures are set off by pink piping and patterned coral throw cushions. (luxuryretreats.com)