7.24inches by 7.24inches
Size of the cover is 24 inch by 18 inch.
A king size quilt cover would be better than a queen size quilt cover if you have a king size bed. The queen size quilt cover would be too small. If you have a queen size bed, a king size quilt cover may still be better as it will hang over the sides a bit and, therefore, be less likely to come off during the night.
The standard size of a single cover in a restaurant is 18" by 24"
The spare tire cover needs to match size of tire.
It depends on your tire size. The size listed on your tires will have to match the tire cover.
No. A duvet is a cover for a quilt and quilts come in many sizes. The size of the duvet depends on the size of the quilt the duvet is to cover.
A duvet cover at the Pottery Barn will cost you anywhere from $80 to $150. The actual price will depend on the exact color, brand, and size you wish to purchase.
7.24inches by 7.24inches
http://www.duplication.ca/printspecs/cassette-cover-templates.htm
Generally on top on the valve cover or engine cover.
http://www.duplication.ca/printspecs/cassette-cover-templates.htm
The stock-factory supplied cover only comes in one size. For after-market covers, check the size of your tires (from the tire sidewall) and purchase one that will fit that size.