Garden / Backyards We use non-glossy‭, ‬anti-slip porcelain‭. ‬It is available in multiple sizes and designs‭, ‬and its thickness must be no less than one centimeter‭ (‬1‭ ‬cm‭). ‬This porcelain is considered an extremely hard and scratch-resistant material‭, ‬making it ideal for car parks‭, ‬sidewalks‭, ‬and outdoor seating areas‭.‬