On Amazon 15 packs Mini Keychain Mini LED Flashlight Key Ring Light Torch Light Lamp, Dog Light, Dog Collar Light, White Beam https://www.amazon.com/dp/B07FD2DM3D/ref=cm_sw_r_cp_api_i_nVmXCbHM6Z5X3

I got them on Amazon

15 packs Mini Keychain Mini LED... https://www.amazon.com/dp/B07FD2DM3D?ref=ppx_pop_mob_ap_share

These ones are a little more expensive, but better quality Uniclife 10 Pack Mini Keychain... https://www.amazon.com/dp/B07G7WYR1Y?ref=ppx_pop_mob_ap_share

Yeah I almost dropped mine in my first EDC, luckily it landed in a pile of vomit instead..