Black concave wall tiles with edge and surface wear exposing inner brownish materials.

Hexagonal black metallic mesh filled with concave rubber material. It is a decorative texture which can be applied to wall etc.

White concrete wall full of large and small concave circles.
It is an interesting wall pattern which can enrich variation of styles.

This is a wall decor with orange concave holes separated by silver network-like pattern.

This material is gorgeous for interior design, especially if you want to add some bright elements into your plan.