
right|thumb|200px|Portable Ice Chest, U.S. Patent # 2,663,167 (1953) A cooler, portable ice chest, ice box, cool box, chilly bin (in New Zealand), or esky (Australia) is an insulated box used to keep food or drink cool.
right|thumb|200px|Portable Ice Chest, U.S. Patent # 2,663,167 (1953) A cooler, portable ice chest, ice box, cool box, chilly bin (in New Zealand), or esky (Australia) is an insulated box used to keep food or drink cool.
Ice cubes are most commonly placed in it to help the contents inside stay cool. Ice packs are sometimes used, as they either contain the melting water inside or have a gel sealed inside that stays cold longer than plain ice (absorbing heat as it changes phase).
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).