Tumbler Adapter for Stanley Compatible with Flavors Cartridges, Fit Stanley 30oz & 20oz Quencher H2.0 Tumblers to Flavors Cartridges, Directly Install, Food-Grade Leak-Proof Silicone

• Fits Stanley & No Lid Needed – Compatible with cartridge lid integrated design, flavor cartridges can be fasterned directly on our adapters to your Stanley cup without having an extra lid. This adapter perfectly compatible with Stanley 30 oz & 20 oz Quencher H2.0 FlowState Tumblers.
• Leak Proof – Our adapter’s silicone ring guarantees a tight seal. No drips No spills use your flavor cartidges on your Stanley cup with confidence.
• Easy Drink – With the innovative air intake system deisgn to keep the air pressure balance inside and outside the tumbler, the silicone intake valve in our adapter automaticaly controling air flow in or out to ensure you enjoy every customized flavor drink in seconds.
• Safe & Durable Materials – With sturdy polypropylene plastic and a food-safe silicone ring. Plus, it’s BPA Free, ensuring every sip you take is clean and safe from harmful chemicals.
• Dishwasher Safe & Easy Cleaning – Tumbler adapters are design for easy cleaning, simply pop them in the dishwasher top shelf after using. Spend less time cleaning and more time enjoying your favorite flavors. (Tips : The Flavor Cartridges and Cups are not included in the sales product set. The picture shows only the effect of using the tumbler adapter)