Empty cat litter containers (Fresno/Missouri City)

I'm looking for the 35-40+ pound containers. I'm willing to drive outside of the group to pick-up; but would like to get at least 4 containers over 15 miles. Using to store feed in a manageable way for aging female with joint issues. She buys the 50 pound bags of food for her animals by the month. We need about 25 containers; so any you have will greatly contribute to the cause. Thank you.