Amazon has 42" Char-Broil 3-4 Burner Grill Cover (24" Wide, Black) on sale for $12.99. Shipping is free w/ Prime or on $25+ or $35+ orders (minimum requirement varies by location).
Product Description from Store
- Designed to fit 3-4 burner grills, large charcoal grills and smokers up to 62 inches wide
- 14mil vinyl fabric provides essential grill protection
- Draw-string adjustable fit
- Sealed seams for water ressistance and UV protection for fade resistance
- Measures 62-inches w x 42-inches H x 24-inches D