In this paper, we focus on covering and illumination properties of a specific class of convex polytopes denoted by \(\mathcal {P}\) . These polytopes are obtained as the convex hull of the Minkowski sum of a finite subset of \(\mathbb {Z}^n\) and \((1/2)[-1,1]^n\) . Our investigation includes the verification of Hadwiger’s covering conjecture for \(\mathcal {P}\) , as well as the estimation of the covering functional for convex polytopes in \(\mathcal {P}\) . Furthermore, we demonstrate that when an integer M is sufficiently large, the elements belonging to \(\mathcal {P}\) that are contained in \(M[-1,1]^n\) serve as an \(\varepsilon \) -net for the space of convex bodies in \(\mathbb {R}^n\) , equipped with the Banach–Mazur metric.