Unicook B63-018 Grill Accessory
- Grill Accessory
- Polyester with Vinyl Coating
- Black
- 60 × 28 × 38.5 inches
- Better rated than 67%
- More reviewed than 81%
A vinyl-coated polyester cover sized for a full-size gas grill, intended to shield it from outdoor weather between uses.
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How it ranks among the 42 grill accessories we track
4.7★ across 1,200 Amazon ratings, Bayesian-smoothed toward the category average.
1,200 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Modest tracked demand last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 42 grill accessories we track - how the scorecard works · full grill accessories data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
A grill cover made from polyester with a vinyl coating, in black, sized 60 by 28 by 38.5 inches to fit a full-size gas grill.
Labeled generically as a grill accessory, the material and large rectangular dimensions place this squarely as a protective cover rather than a cooking tool. The vinyl coating over polyester is a common combination for weatherproofing outdoor covers.
- Polyester with vinyl coating
- 60 x 28 x 38.5 in size
- Black color
- Fits full-size gas grills
Who it's for
Owners of a full-size gas grill who leave it outdoors and want protection from rain, dust, and sun. Not a fit for smaller tabletop or portable grills given the 60 inch length.
Strengths and trade-offs
Drawn from this product's published specifications.
- Vinyl coating adds water resistance
- Sized for full-size gas grills
- Black finish hides dirt and weathering
- Fits only grills close to this size
- Fabric can trap moisture if grill is wet
Performance notes
The vinyl coating adds a water-resistant layer over the polyester fabric, helping shed rain and block UV exposure that can fade or crack grill housings over time. Fit matters more than material here: a cover close to the grill's actual dimensions blocks wind-driven rain better than an oversized one.
Specifications
| Brand | Unicook |
|---|---|
| Model | B63-018 |
| Material | Polyester with Vinyl Coating |
| Color | Black |
| Dimensions | 60 × 28 × 38.5 inches |
Other Unicook grill accessories
How it compares
This product against the closest alternatives we track in grill accessories.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Unicook B63-018 Grill AccessoryThis product | 4.7 / 5 | 1,200 | 3.9 / 5 |
| PIT Boss 73821 Grill AccessoryPIT Boss | 4.7 / 5 | 4,490 | 4.5 / 5 |
| Utheer 001 Grill AccessoryUtheer | 4.7 / 5 | 8,112 | 4.1 / 5 |
| Ultcover Grill AccessoryUltcover | 4.8 / 5 | 2,400 | 4.0 / 5 |
| Royal Gourmet PC3401B Grill AccessoryRoyal Gourmet | 4.5 / 5 | 6,800 | 3.9 / 5 |
Similar grill accessories from other brands
Questions about the Unicook B63-018
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
What size grill does the Unicook B63-018 cover fit?
It measures 60 by 28 by 38.5 inches, sized for a full-size gas grill rather than a compact or tabletop model.
Is the Unicook B63-018 waterproof?
It is made from polyester with a vinyl coating, which adds water resistance, though the listing does not claim full waterproofing.
What material is this grill cover made from?
Polyester fabric with a vinyl coating, in a black finish.