travel-sizeadj. of a size suitable for travel, now esp. small, compact, or able to be easily carried while travelling; = travel-sizedadj.
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1918 Philadelphia Inquirer 5 Aug. 11/5 (advt.) The travel-size trunk holds ten gowns or five suits.
2013 N.Y. Times (National ed.) 8 Apr. b4/3 Consumers who spend a given amount are rewarded with a free assortment of travel-size products and a cosmetic bag.