Teta Tek bag

Sterile room-temperature Tetra Pak (most common)

Square carton boxes, 200ml/250ml/1L capacity, suitable for pure milk, juice, soy milk, and herbal tea. Sold on regular temperature shelves in supermarkets.

Tetra Pak pouch (Bilirubin package, soft aluminum-free version)

Soft plastic bag, no aluminum foil, needs refrigeration, has a short shelf life (7–30 days), mostly used for low-temperature fresh milk.

Tetra Pak drill / Tetra Pak crown

With a screw cap, special-shaped packaging, large capacity 1L/1.5L, can be repeatedly opened and closed, suitable for family use for juice and milk.

Refrigerated Tetra Pak package

Aluminum-free thin version, only suitable for cold chain sales, has a shorter preservation period.