EEKEDO Tumbler Adapter for Stanley to Cirkul Flavors Cartridges, Fits for Stanley Quencher 40oz Tumblers Lid Replacement Accessories, Flavor Cartridges Adapter for Cirkul, BPA Free Silicone, White

["PERFECT COMPATIBILITY: Precision-engineered to be exclusively compatible with 40oz Stanley tumblers. The precisely calibrated 10cm diameter ensures a seamless and snug connection with Cirkul flavor cartridges, allowing you to transform your Stanley tumbler into a flavor-infusing powerhouse","EASY TO USE: You can effortlessly attach the cirkul water bottle adapter to your Stanley tumbler in just a few simple steps. No special tools or technical expertise required, making it convenient for anyone to start enjoying their favorite Cirkul flavors instantly","SAFE MATERIAL: This cirkul tumbler with straw is made of premium quality food-grade silicone and plastics that are built to last. Resistant to wear and tear, impacts, and daily rigors, this tumbler adapter provides reliable performance over an extended period. It can withstand temperature variations and exposure to different environmental conditions, ensuring it remains in optimal condition for long-term use","LEAK-PROOF DESIGN: Incorporates an advanced leak-proof mechanism, it effectively prevents any liquid from escaping or flavor cartridges from leaking through a combination of precision seals and tight-fitting components. This gives you the peace of mind to carry your tumbler with Cirkul flavors anywhere, whether it's in your bag, on the go, or during workouts, without worrying about messy spills","ENHANCED FLAVOR EXPERIENCE: Unlock a world of flavor possibilities by easily integrating Cirkul flavors into your beloved Stanley tumbler. This cirkul tumbler adapter allows you to customize your hydration routine, switching between a diverse range of delicious flavors to keep your taste buds excited and your drinking experience refreshing and enjoyable every time"]