It's taken forever (okay since last summer) to get the site up again after it apparently got hacked, but they're now apparently operational again to meet American needs for reasonably priced Japanese-designed travel gadgetry.

http://www.muji.us/store/

Beyond their designated 'Travel' category they sell all kind of useful odds and ends like their screw together pill storage towers that are the perfect size for storing small earrings and rings while on the road.