This week I received my AliEx magnetic water bottles. I got tired of my water bottles getting all scratched up from gravel riding grit. Though I didn't want to pay $40-50 USD for Fidlock bottles. The actual water bottles aren't anything special, but I'd rather keep my nicer road bike water bottles in good condition. They're non-insulated, so I'll probably have to freeze my water the night before once the hot summer days arrive.
They are very ordinary bottles. Hope you have more luck with them, than I did. First ride in managed to eject one doing hill repeats, probably user error as they are harder than regular bottles to lock into place. Retrieve bottle but lid damaged (luckily common size and replaced it with a better lid), a couple weeks later lost front wheel on sandy descent, bike went down, I didn't, but foot inside front triangle and bottle cracked. Gave up on them for gravel bike and went for side loading cages instead. Did buy a pair of magnetic aero bottles for my crit bike. Did survive a whole season, that is where I learnt how difficult to lock in place. Also managed to lose an internal part of lid that stopped liquid escaping. Next season probably back to round bottles and regular cages.