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Shelf-stable single-serve 8 fl oz milk boxes (UHT pasteurized) are offered in 6‑pack and 12‑pack formats. These UHT cartons can be stored without refrigeration and are marketed for lunchboxes and on-the-go use.

Most listings show 8 grams of protein per 1‑cup (8 fl oz) serving and list key nutrients such as calcium, vitamin A, and vitamin D. Some varieties also list added ingredients like DHA or prebiotics.

Listings include ultra-pasteurized cartons and UHT (ultra-high-temperature) pasteurized shelf-stable boxed milk. The boxed single-serve options are UHT treated and can be stored without refrigeration until opened.

Most listings indicate a whole milk fat level; one listing explicitly notes 3.25% milk fat as the whole milk standard.

Some cartons list vitamin D as 15% of the daily value per serving; boxed single-serve options are also described in listings as a good source of vitamin D.