Costco has a wide range of Kirkland Signature coffees, each adorned with different sustainability labels. But what exactly do ...

Costco is known for its Kirkland Signature food and drink products, but some of them are overrated. Customers say these food ...

In the great search for the truth behind Costco’s major brands, not all of them are that shrouded in mystery. Yet another Kirkland product with the true manufacturer’s logo printed on the ...

Costco's store brand oil, sold under the Kirkland brand, is low priced but ... with each vehicle sporting the bright yellow Pennzoil livery and logo. Its leading partner is Team Penske, and ...

Another Kirkland Signature product with the real manufacturer’s logo printed on the wrap, this one shouldn’t come as much of a surprise. Chinet isn’t quite known for solo cups — more for the brand’s ...

Costco has got you covered. But where do the chain's Kirkland-brand beers actually come from? Tapping into nostalgia, the new logo marks the return of “mountain,” which was dropped in 2009 as ...

Costco’s Kirkland Signature private brand is one of the strongest draws to the mega warehouse chain, on par with the big name brands.

Costco shoppers swear by these Kirkland Signature items in March, from seasonal bakery treats to household essentials.

If it sounds too good to be true, it probably is. Here's why buying those Kirkland favorites on Amazon isn't a great idea.