The box format typically denotes multi-serving family packs — a single retail unit containing multiple individual-serve packs or bowls. Korean and Chinese manufacturers are particularly likely to use box packaging for 4-pack, 5-pack, and 20-pack multi-buys of their flagship brands.
Nongshim Shin Ramyun 4-packs and 20-packs, Ottogi Jin Ramen 4-packs, Samyang Ramyun boxes, and Chinese JinMaiLang 5-pack boxes are representative. Some boxes instead contain multi-flavour assortments — Uni-President Variety Box, Indomie Variety Pack, Nissin Holiday Box — positioned as gifts or household-stocking buys.
The box designation on Ramen Ruler typically refers to the retail SKU format rather than the cooking vessel: the noodles inside are still prepared in whatever pot or bowl the consumer provides. For products where "box" describes the individual-serving container (some Japanese and Chinese retort boxes), the cooking preparation is closer to the tray format.