A great addition to your existing BL487, BL487A, BL488W, BL490, BL491, BL492, and BL492W's Blend it up in the cup, twist on the included sip and seal lid, and take this Ninja 24-Ounce Stainless Steel Nutri Ninja on-the-go. Although the blender isn't included, this incredibly lustrous and sleek cup is compatible with all Ninja Auto-iQ blenders, kitchen systems, and compact systems. It has durable, double-walled insulation that keeps beverages cold for up to 4 hours. The sip and seal lid makes your life on-the-run easier and the slim design fits and rides along with you in your cup holder and is a perfect little commuter companion. This 24-ounce stainless steel cup simply attaches to the Pro Extractor blades on your blender to crush through whole fruits, veggies, nuts, seeds, and tough ice. This package also comes with the handy dandy Nutri Ninja 100 Recipe Cook Book. This book provides recipes for smoothies, juices, cocktails, soups, and more! They're completely customizable to suit your tastes and preferences.