Why Vegetable Tanned Leather vs. Bonded Leather.
Vegetable tanned leather will have a considerably longer useful life expectancy than bonded leather.
Vegetable tanned leather is made using natural tannins from plants and is a full-grain leather, which means that it is made from the top layer of the hide and has not been altered or sanded down. This type of leather is known for its durability and strength. With proper care and maintenance, vegetable tanned leather goods can last for decades and even a lifetime.
Bonded leather, on the other hand, is made from scraps and shavings of leather that are bonded together using a polyurethane or latex adhesives and glues. It is a lower quality and less expensive option than vegetable tanned leather. Bonded leather prone to cracking, peeling, and tearing. It may only last a few years.
The best analogy is the comparison between solid oak and fiberboard. Solid oak is real wood whereas fiberboard is a manufactured product made from wood scraps. Similarly, vegetable tanned leather is the real deal and bonded is, well, not real leather.
If you are looking for a leather Wassily straps that will last a long time, vegetable tanned leather is a better choice than bonded leather.