“EZ-Freeze” refers to that tray with freezer gel built into it. And It includes EZ-Freeze Expandable Bento Box, EZ-Freeze Expandable Salad Kit, and Expandable Steamer w/Tray, for a total of four Zs and four Xs. Expandable” means they get big when you need ’em, little when you don’t.
Shipping adds $5 to this deal
