Walmart has 15-lbs Everyday Essentials Olympic Bumper Weight Plate for $22.50. Shipping is free w/ Walmart+ (free trial) or on orders of $35+.
Thanks to Community Member OliveRock4174 for locating this deal.
Features:
2″ inside ring diameter
Total diameter: 17.75″
High density rubber plates
Solid stainless-steel insert
Sold as single or set