These 4.5-5 oz. heavy tannery run sheep leather hides range in size from 7 to 12 sq. ft. (Please note that sheep leather is not shaved to specific weights so the given weight is approximate.)
Tannery run leather did not undergo shaving or splitting, which means the leather was in its natural state when it went through the tanning process. The tannery run #1 grade hides are clean and are a good quality throughout. There are few holes or imperfections such as scratch marks that are mostly on the suede side and may have small patches and/or spots of uneven coloring.
Sheep leather has two layers to it and is much easier to sew than deerskin or most other leathers as the needle goes through the hide much easier.
Sheep are not an endangered species. The leather is a by-product of the food industry.