Silicone Spill-Proof Stopper for Stanley Quencher Tumbler

An All-Around Product Guide

Food-Grade Silicone: Safe, Reusable, and Premium

Made from high-quality silicone rubber, these protective caps are not only safe but also reusable. The spill stopper is made from premium food-grade silicone, providing you with a premium and safe drinking experience. You can enjoy peace of mind, knowing that your health is always a top priority.

Fit: Perfectly Designed for Your Tumbler

The silicone spill-proof stopper is designed to fit 40 oz Stanley cups and 30 oz tumblers with handles. These stoppers are precisely engineered to match the exact dimensions of your favorite tumbler, ensuring a snug and secure fit.

Spill-Proof: Keep Your Drinks Safe

Installed in the straw hole of the lid, this stopper not only forms a seal but also holds the straw. It effectively prevents debris and dust from entering through the straw. This silicone spill-proof stopper, designed for Stanley cup accessories, significantly reduces spills, providing an improved leak-resistant solution for Stanley cups.

Straw-Friendly: Convenience at Your Fingertips

This stopper includes 4 straw cover caps, 4 square spill stoppers, and 4 round leak stoppers. The straw cover cap is compatible with straws less than 0.39" / 10mm in diameter and is designed to fit most straws, ensuring more convenient drinking.

Easy to Install: Hassle-Free Setup

Our designed spill stopper for 40/30 oz Stanley tumblers is incredibly easy to install. Simply insert and press it down firmly. These accessories can be used without any hassle or difficulty. Whether you're traveling or using them in your daily life, the Stanley tumbler accessories will keep your drinks inside the cup and surrounding areas mess-free.

Patent Pending: Choose the Right Size for Your Cup

Our Stanley cups have three options: Silicone Spill Proof Stopper 1.0 and Silicone Spill Proof Stopper 2.0. If you have version 1.0 or version 2.0 Stanley cups, you can choose the right size for your cup. Version 1.0 and 2.0 come in packs of 6 pieces.