AICMEI is a company that specializes in home kitchenware, with the goal of providing easy-to-use, quality products. The main focus of our company's development is spill-proof lids, which we have developed in a wide variety of colors with a passion for quality and a drive to improve them. We hope that our products will bring you and your family a healthy and fulfilling life.

Our spill-proof lids are designed to prevent leaks, whether you're driving to work, taking public transportation, or dealing with a busy day. They perform reliably and come in a variety of sizes and unique color options. The fact that our products add value to your life is the greatest motivation for us.

Our popular products include 30oz and 20oz replacement lids, tumbler lids, a tumbler carrier holder, and a non-slip cup handle. We also offer other household products, such as a spreader knife set.

The 30oz replacement lid features a closure that can open and close for direct sipping or for a straw. It comes with a black silicone o-ring around the base, which helps cover the cup tightly. The design includes an air hole on top of the slider, which helps reduce splashing through air ergonomics. The outer diameter of the lid is 3.91 inches, and the inner diameter is 3.74 inches, suitable for cups with an inner diameter of 3.7 to 3.74 inches. It's important to check the size of your cup before purchasing to avoid buying an unsuitable lid.

When putting the lid on the cup, it may seem a bit too big, but this is by design. The edge of the lid has a rubber ring that helps it fit tightly on the mouth of the cup, preventing it from falling out. However, if the cup is filled to the brim and tilted 90 degrees, a small amount of liquid may leak out through the air hole. To avoid this, it's best not to place a full cup sideways. If the cup is not full and the tilt angle is less than 45 degrees, the liquid will not leak out.

Our lids are made of high-quality, BPA-free materials that are easy to clean and can be washed in the dishwasher. We offer a quality assurance, and if you have any questions or dissatisfaction with our products, you can contact us, and we will do our best to serve you.

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