PLEASE NOTE: To make a cube, you need to purchase a 6 pack which is what we recommend. The only ice blocks in the world that can be used as standard ice blocks or you can build your own ice box using the lego like connecting blocks and there's no limit to how big you can go ! Our ice blocks freeze twice as quick as standard ice blocks with the patented solution. ★ Slim Inter-lockable design allow you to make cubes or build freezer wall to fit into all sizes of lunch boxes, bags and kids' coolers. The wide base and blue gel can retain and deliver more coolness to keep your food cool and fresh much longer. ★ Reusable and durable, BPA free hard plastic with staged-surface treatment to avoid deformation when frozen, more stronger than flat design and no worn out, quickly .
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