About This

• No Leaks – Carry with Confidence - Our leak-proof silicone kit creates a secure seal with the sealing ring and spill stopper. Say goodbye to leaks and spills, whether you're tossing your tumbler into a gym bag, office bag, or car holder. Keep your smoothies, juices, and water contained without worrying about messes. Perfect for on-the-go use. No more ruined bags or soggy papers!
• Compatible Fit for Popular Personal Blender Tumblers - This 3-piece silicone kit is custom-designed to fit Ninja BlendBOSS tumblers perfectly. No slipping, no loose parts—just a snug, reliable fit that ensures leak-proof performance. Install quickly and enjoy a secure and consistent seal every time. Get the most out of your tumbler without any hassle.
• Non-Slip, Shock-Absorbing & Quiet - The silicone boot adds a non-slip grip, keeping your tumbler steady on any surface. It also absorbs shocks, protecting your tumbler from scratches and dents. Plus, it eliminates loud clinking noises when you place it on counters, desks, or gym surfaces. Quiet, stable, and secure—perfect for any environment.
• Easy to Install & Clean – No Tools Needed - Enjoy the convenience of a quick and tool-free installation. Just slide the silicone boot, place the sealing ring, and insert the spill stopper. The kit is dishwasher safe (top rack) for effortless cleanup or can be easily hand washed. Save time and effort with these reusable, durable accessories for your tumbler.
• Upgrade to a Portable Travel Mug - Turn your Ninja BlendBOSS tumbler into a portable, spill-proof travel mug. Perfect for busy mornings, gym sessions, office commutes, or road trips. Keep your drinks secure and mess-free no matter where you go. It’s the ideal solution for an on-the-go lifestyle. Stay hydrated without the hassle of leaks!