Eh bestie, honestly for travel I swear by the Supermama Portable Milk Warmer 2.0, a few of us mums tried it last year during balik kampung and it's such a lifesaver, fits in the diaper bag and actually heats the milk fast enough yang baby tak marah, haha! The Autumnz one is also bagus if you want something compact, but make sure you check if it works with your power bank or car charger depending on your trip setup.