Exterior Material:
Option 1: High-quality kraft paperboard for an eco-friendly, lightweight, and durable option.
Option 2: Wooden casing (e. G., bamboo or pine) for a premium and reusable look.
Option 3: Rigid plastic (BPA-free) for added durability and moisture resistance.
Interior Material:
Food-grade insulation layers like EVA foam, polystyrene, or a thin layer of aluminum to maintain a stable temperature.
Optional gel packs for refrigeration.
Additional Elements:
Silicone seals or gaskets for airtight closure to preserve freshness.
Magnetic or snap closures for added sophistication.