They were sold in four-piece sets in four colors.

Each four-piece set included a blue turtle, a green frog, a red beaver and a yellow duck.

This four-piece set of brushed-stainless-steel tools with wood handles was made in Portugal.

Excited about the possibility of instant shopping gratification, I asked a sales clerk if the four-piece set was in stock.

In China, a four-piece set consists of a duvet cover, two pillowcases and either a fitted or flat sheet.

Unforgettable is a four-piece set celebrating the life of the late Tejano singer Selena.

The cookware was sold in four-piece sets, a three-piece steamer set and as a separate 1.5 quart egg poacher.

Add new twists and turns to any existing BRIO train track with this four-piece set.

The Royal Mint said three more Potter characters will feature on special edition coins released later in the year to complete a four-piece set.

In the US and Canada, sheets are often sold in a four-piece set consisting of a fitted sheet, a flat sheet and two pillowcases.

The two most provocative paintings in the four-piece set, Motor Car Procession and Carriage Procession (both 51 x 78.5 cm), have been reproduced in books.

Each roof-rail option comes with a four-piece set of matching interior trim, for the key fob and the panels around the radio and climate controls, the gearshift and the center console.

Passengers on a delayed Air Canada flight from Toronto to Frankfurt got to hear a four-piece set by the band Lemon Bucket Orkestra who broke out their instruments in economy class.

Aside from all the high-minded reasons for buying this house, Mr. Romano admits to another consideration: sitting unplugged in his living room is a four-piece set of high-powered cherry-wood Bowers & Wilkins speakers designed to be used in home media centers.

Unfortunately for parents, it can be confusing to see bumpers on display in stores, not to mention challenging to find crib bedding sold without bumpers, since bedding is often sold in four-piece sets, including a sheet, crib skirt, bumper, and quilt (which doesn't belong in a safe sleep environment for an infant anyway).