Based on published listings, not hands-on testing.
What could make us pass
Ultra in the name is not enough to establish a stronger or safer product. Confirm the selected version and intended transport requirements before paying more.
Documented features
Fit before features
Confirm usable interior dimensions and room to stand, turn and rest comfortably. Size names and exterior measurements do not establish fit. Check the manufacturer’s instructions for the selected variant.
Verified size reference
Dimensions checked 2026-10-26 against the named source’s size section. Length and height follow the maker’s published sizing guidance (upper end of a stated range); the 4-inch width allowance is our conservative home-use screening rule.
36-inch excluded: published interior width is 26 in but exterior width is 25 in.
Exterior dimensions remain unverified for variants with contradictory exterior heights. Interior data do not approve the room footprint.
| Exact size | Usable interior L × W × H (in) | Outside L × W × H (in) | Observed exact-size price |
|---|---|---|---|
| 21 in | 18.75 × 13.5 × 14.5 | Not verified | $84.99 at Petmate 2026-10-26 · Available when checked |
| 48 in | 44 × 29 × 32.5 | Not verified | $429.99 at Petmate 2026-10-26 · Available when checked |
| 28 in | 24.25 × 18.25 × 19.5 | 28 × 20.5 × 21.5 | $129.99 at Petmate 2026-10-26 · Available when checked |
| 32 in | 29.5 × 19.75 × 23.5 | Not verified | $159.99 at Petmate 2026-10-26 · Available when checked |
| 40 in | 36.25 × 24.75 × 28.8 | Not verified | $249.99 at Petmate 2026-10-26 · Available when checked |
Prices are dated observations for the linked color and size; shipping and tax are excluded. Current stock and price must be checked at the seller.
Documented features
- Rigid plastic shell with accessible interior for wipe-down cleaning. Source
- Rigid plastic shell and metal door; this describes construction, not a tested lifespan. Source
Door opening, swing, overhead access and room to turn still need a physical check. These references support comparison; they do not approve airline travel, vehicle crash protection or escape containment.
