As you can see below, a t a scale of 1.65” they are VERY tiny.
From the Meatlfigs Website:
"Each posed Nano figure is made of 100% die-cast metal and stands about 1.65" tall and weighs about the same as 5 quarters. Although they might be small, each is finely sculpted and has premium metallic paints to achieve a high-quality appearance and durability, all at a Nano price."
Disney Nano Metalfigs Diecast Figure 5-Pack:
Disney Nano Metalfigs Diecast Figure 10-Pack: