PRICES MAY VARY. Non-toxic clean materials Double-wall, food-grade stainless steel Crystal clear Tritan lid Lid is leakproof with locking latches Designed for easy stacking (fridge, pantry, cooler) Inserts available (sold separately) Introducing the double-wall stainless steel, non-toxic travel lunch box with a leakproof lid. REX is the Swiss army knife of kitchen gear as it transforms from food storage to meal prep to lunch box to serve-ware to "cooler ready" for your next adventure, REX can si