Lovmor Heavy Duty Air Lift Rod Dog Crate with Wheels

Chewy.com

Black metal wire construction, Heavy-duty design, Functional, non-furniture style

bingopaw Two-tier Stackable XL Dog Cage with Casters and Tray

Macy's

Black metal wire construction, Heavy-duty appearance, Overall crate design (bars, doors), Stackable design is plausible given multiple units in source

Heavy Duty Large Dog Crate, 48" Dog Kennel for Small Medium Large Dogs,Puppy Dog Playpen, Pet Cage, Pet Playpen, Indoor Outdoor-Black Tucker Murphy

Wayfair

Black metal wire construction, Heavy-duty dog crate, Similar grid pattern