Bulldog: crate, bed and harness size
AKC weight: 40-50 pounds (AKC Breed Weight Chart). The Bulldog is #10 in AKC's 2025 ranking (AKC).
Crate: 36" crate (MidWest iCrate Dog Crate Size Guide (manufacturer PDF))
Bed: Medium rectangle bed (36 x 24 in) (Orvis Dog Product Sizing Guide (Rectangle bed))
Harness: Measure your dog's chest girth, then check the Ruffwear girth chart. No breed standard lists girth.
Photo: Nenad Stojkovic from Srbija, CC BY 2.0, via Wikimedia Commons (cropped).