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2-in-1 Collapsible Silicone Ice Ball Maker Cup This 2-in-1 collapsible silicone ice ball maker cup features dual functions: fold to make perfect ice spheres for whiskey, iced coffee or juice, or expand as a foldable cup for sipping. It eliminates the need for separate ice trays and cups, saving space. Crafted from 100% BPA-free food-grade silicone, it’s soft, non-odor and safe. Flexible material allows easy ice demolding just twist or squeeze, no stuck ice like traditional trays. Its foldable design saves 50% space, fitting car cup holders, gym bags, luggage or drawers, ideal for travel, outdoor activities and daily commutes. Equipped with a leak-resistant lid to prevent spills and a reusable straw for eco-friendly sipping. Smooth surface is dishwasher-safe or quickly hand-rinsed. Reusable design reduces waste and saves money on single-use cups and ice trays.