Tumbler Adapter for Stanley, compatible with Cirkul Flavor Cartridges to Stanley Tumbler, Fits 40 & 64 oz Stanley Quencher H2.0 FlowState Tumblers (Clear Black)

• Perfectly Fit Stanley£ºWith flavor cartridge lid integrated design, flavor cartridges can be fasterned directly on our adapters to your Stanley cup. This adapter for stanley perfectly fits 40 & 64 OZ Stanley Quencher H2.0 FlowState Tumblers. Warm Reminder : The Flavor Cartridges and Cups are not included in the sales product set. The picture shows only the effect of using the tumbler adapter
• Leak-Resistant: 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 : 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.