Made for the original Magic Bullet (MB1001): These cross blades have been exclusively manufactured for your original Magic Bullet (MB1001). Will not work with other blenders or models. Does not work with NutriBullet or Baby Bullet: only for use with the original Magic Bullet model MB 1001. Will not work with other blender brands or models. Each sheet comes with a high-quality seal: Before use, check each seal to ensure it is not damaged, and it sits fully in the cross blade unit. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.