está hecha de

is made of

→ estar
phrase Common #4,752
is made of Used to describe the material something is made from. The form hecha agrees with a feminine singular noun; masculine singular uses hecho.
SP: La mesa está hecha de madera.
EN: The table is made of wood.

Esta caja está hecha de lata.

This box is made of tin.

Esta cartera está hecha de papel.

This wallet is made of paper.

Está hecha de tela.

It is made of fabric.

— El castillo en el cielo (1986)

La chimenea está hecha de ladrillo.

The chimney is made of brick.

Esta ciudad está hecha de castillos de madera.

This city is made of wooden castles.

Todos saben que la luna está hecha de queso.

Everyone knows that the moon is made of cheese.

Esta estatua está hecha de mármol.

This statue is made of marble.

Esta jaula está hecha de alambre.

This cage is made of wire.

Esta caja está hecha de cartón.

This box is made of cardboard.

Esta ciudad está hecha de castillos de vidrio.

This city is made of glass castles.

Esta caja está hecha de papel.

This box is made of paper.

Esta mesa está hecha de buen roble.

This table is made of good oak.

Básicamente está hecha de pura carne.

It's basically made of pure meat.

La materia está hecha de átomos.

Matter is made of atoms.

Esta ciudad está hecha de castillos de metal.

This city is made of metal castles.