Blendin Replacement 16oz Single Serve Cup with To Go Lid, Compatible with Ninja Blenders with 4 Tabs and 3 1/8" Diameter (1 Pack)

The Blendin Replacement 16oz Single Serve Cup has generally received positive reviews from customers who praise its compatibility and performance with Ninja blenders. Many users appreciate its fit, noting that it perfectly matches their existing blender lids and works as intended over an extended period without any significant issues. The design is described accurately in the product listing, leading to a satisfying user experience for most. However, there are some notable drawbacks highlighted by users. One common complaint pertains to the lids, which some find difficult to screw on initially. Additionally, while the functionality of the cups is satisfactory, the open lid design has been a concern for those looking for a truly portable solution. The most serious criticism comes from a user who experienced a malfunction wherein the cup became stuck on the blender base, resulting in damage not only to the cup but also to the blender itself. This has led to caution among customers, suggesting that the quality and reliability may not match that of official Ninja products. Overall, while many users enjoy the Blendin cups as a cost-effective alternative, potential buyers should be mindful of the issues related to lid usability and the risk of compatibility problems. **