MaterialSeal & careBest forDownside
Glass (gasketed)Airtight; no stain or odorPantry display, oily/aromatic foods — the defaultHeavy; shatters if dropped
Tritan / clear plasticAirtight; light, shatterproofBulk staples, kids, high shelvesScratches; can hold smell
Cloudy PP plasticCheap, lightShort-term, budget bulkDulls; stains; least premium
Original packagingFree, no jarFast-used itemsPoor seal; spills; clutter