20 YearsHelping You Live Richer Reviewedby Experts Trusted byMillions of ReadersCostco’s own Kirkland Signature line often comes out with solid seasonal exclusives members love. If you’re planning your Costco runs for February and beyond, here are the best new Kirkland Signature items you’ll want to add to your cart. Kirkland Signature Pesto Pasta SaladPrice: $22.17 per packageCostco rolled out a new prepared food item at the beginning of January 2026: Their Kirkland Signature Pesto Pasta Salad. Peanut Butter Monster CookiesPrice: $12.47If you love peanut butter, you’ll enjoy the Kirkland Signature Peanut Butter Monster Cookies. Kirkland Signature Women’s Shearling BootPrice: $32.99The Kirkland Signature Women’s Shearling Boot is another new item worth adding to your shopping cart this winter.