The ultimate ice upgrade for your favorite tumbler. The Az Zahra Tumbler Ice Cube Mold creates slow-melting hollow ice cylinders tailored to fit large travel mugs flawlessly. Made from flexible, BPA-free silicone, it features a spill-proof lid to keep your ice fresh and clean.

Tailored Tumbler Design: Stacks perfectly inside 30oz and 40oz insulated cups.

Melts Slower: Large cylinder rings preserve your drink’s flavor longer.

Easy Ice Release: Flexible non-stick silicone pops ice out in seconds.