The number of lures that you can donate and ask for in your clan is limited.
The higher your rank is, the more lures you will be able to donate and ask for.
Players can ask in their clan for 10-40 common and 1-4 rare lures (based on players rank) and donate from 1 to 8 common and 1 rare lure. This counter has a 7 hours cooldown (may be different during some events):
Daily, you may donate a total from 60 to 240 lures based on your rank: