chain_match_constraint.xml

<TextView
    android:id="@+id/size_title"
    style="@style/SmallTitleText"
    android:layout_width="0dp"
    android:layout_height="wrap_content"
    android:layout_marginTop="24dp"
    android:text="Tamanho"
    app:layout_constraintEnd_toStartOf="@id/quantity_title"
    app:layout_constraintStart_toStartOf="@id/begin_margin"
    app:layout_constraintTop_toBottomOf="@id/black_rectangle" />

<TextView
    android:id="@+id/quantity_title"
    style="@style/SmallTitleText"
    android:layout_width="0dp"
    android:layout_height="wrap_content"
    android:layout_marginStart="16dp"
    android:layout_marginTop="24dp"
    android:text="Quantidade"
    app:layout_constraintEnd_toEndOf="@id/end_margin"
    app:layout_constraintStart_toEndOf="@id/size_title"
    app:layout_constraintTop_toBottomOf="@id/black_rectangle" />