Perfectly Compatible Design: Our specially designed ice cube mold is perfectly compatible with STANLEY's 30OZ and 40OZ tumblers, creating three large ice cubes that keep your drinks cold for longer periods. Slow-Melting Feature: The oversized ice cubes melt slowly, ensuring your beverage remains undiluted and preserving its original taste and quality. Say goodbye to watered-down drinks and enjoy the perfect sip every time. Cylinder Shape for Long-Lasting Chill: The cylinder shape of the ice cubes keeps drinks colder longer by melting slowly and diluting less. Perfect for chilling drinks like whiskey, cocktails, juice, tea, or coffee. Food-Grade Silicone Material: Our ice cube tray molds are made of food-grade silicone, which is BPA-free, flexible, elastic, and recyclable. DIY your favorite drinks, cola, juice, or coffee with this creative ice cube mold for a refreshing summer experience. Easy to Use and Clean: The flexible silicone mold makes it easy to remove the ice cubes by peeling off the outer mold and squeezing the cap to release the fresh ice. It's durable, easy to clean, and comes with a sealed lid to prevent leaks and keep your fridge clean and organized.