4-Pack Silicone Replacement Bite Valves for 15oz ZAK Cups – Spill-Proof Cup Accessories – Durable Soft Food-Grade Silicone

["[Perfect Fit ] Specifically designed as replacement bite valves compatible with 15oz ZAK cups. These silicone cup replacement parts help restore proper drinking function and keep your bottle performing like new. Ideal for worn, torn, or leaking valves.","[Spill-Resistant Silicone] The upgraded spill-resistant structure helps reduce leaks, drips, and unexpected spills during use. Perfect for kids’ water bottles, school cups, gym bottles, and daily hydration needs.","[Safe & Durable] Made from high-quality food-grade silicone material. Soft, flexible, and odor-free. The durable construction resists tearing and deformation even with frequent daily use.","[Easy Installation & Quick Replacement ] Simple snap-in design allows fast installation without tools. Replace old or damaged bite valves in seconds and extend the life of your favorite cup instead of replacing the entire bottle.","[4-Pack Value Set ] Includes 4 silicone replacement bite valves in one pack. Perfect for multiple cups at home, daycare, school, or travel. Keep extra replacements ready anytime."]