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

Kirkland Signature spirits are a good buy, often made by reputable brands and sold at a good price. We pick out the tequila ...

Costco’s iconic $5 Kirkland Rotisserie Chicken is well worth the price of membership, customers say. “If you buy a rotisserie ...

Kirkland Signature Organic Extra-Virgin Olive Oil is among the best on the market. The highly hyped oil is sourced from ...

Lululemon alleges that Costco has stolen the intellectual property of its Scuba hoodies and sweatshirts, Define jackets and ...

Costco launched a private label named Kirkland Signature that put a unique spin on the concept of shopping generic. The ...

Brewed by Deschutes Brewery in Bend, Oregon, Kirkland Lager just won silver at the World Beer Cup and previously won gold at ...

These are the 10 best Kirkland Signature products that are worth adding to your shopping cart at Costco Wholesale.

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