Unique dolly features elevated bucket/pail platform for better ergonomic position. Elevated platform allows for better posture during use which leads to less fatigue and strain. For use with maximum 10-9/16"Dia round buckets. Also works with square buckets and boxes with maximum size 10-9/16" x 10-9/16". Design folds flat easily for storage when not in use. Portable on four swivel poly casters. Steel construction with a yellow baked-in powder-coated toughness.