Buy these tiny flashlights in bulk

You can buy 15 of these itty-bitty keychain flashlights for [amazon_link asins='B07FD2DM3D' template='PriceLink' store='boingboing' marketplace='US' link_id='c77814c8-369d-4790-b663-b79eae191d3f']. I keep one in every one of my family member's suitcases as well as on keychains and in my toolbox. I've had my set for years and they seem to be as bright as when I got them.