Kirkland Signature Marshmallow Crispy Cookie is causing a frenzy as Costco shoppers share enthusiastic reviews, with some ...

For background, let’s go to Alexander Aciman’s exhaustive comparison of a pair of two pairs of pants: one sold by lululemon, and one sold under Coscto’s in-house brand Kirkland Signature. This was ...

These 7 Kirkland Signature snacks at Costco deliver big flavor and great value, beating name-brand options every time.

Costco sells house-brand motor oil under the Kirkland Signature label it uses for many other products. Does this oil pass the ...

Joe Ng, CEO of fashion studio Shift, said Lululemon's pants may have inspired Costco's, but the design isn't as unique as a ...

If you're a Costco shopper -- and you also love ice cream bars -- we're comparing Kirkland Signature and Haagen-Dazs ice ...

The once-famous budget-friendly golf ball has been discreetly upgraded with impressive results. Here's how you spot the new version.

Costco may be known for its rotisserie chicken, convenient take-and-bake meals, and top-tier bakery section, but within the ...

Costco shoppers have been complaining for a while now about the declining quality of the Kirkland Signature Bacon. “Kirkland ...

The Canadian athleisure brand has accused the warehouse club operator of copying at least six of its products, including its ...

Costco's Kirkland Signature Imported Basil Pesto is one of its top-selling grocery items. The pesto is made with D.O.P.

Some of the best Kirkland Signature items to shop at Costco in July are fairly obvious while others might surprise shoppers.