She was sitting in a deep leather chair.Bicast leather is split leather that has a polyurethane or vinyl layer applied to the surface and embossed to give it the appearance of a grain.

Vegetable-tanned leather is not stable in water; it tends to discolor, and if left to soak and then dry, it shrinks and becomes harder.He tooled a design on the leather belt.

Leather's flexibility allows it to be formed and shaped into balls and protective gear.Once the process achieves even penetration, workers slowly raise the liquor's pH in a process called basification, which fixes the tanning material to the leather.