A stack assembly is provided that includes a glass layer having a thickness, a first and second primary surface and a compressive stress region extending from the second primary surface to a first depth; and a second layer coupled to the second primary surface. The glass layer is characterized by: an absence of failure when the layer is held at a bend radius from about 3 to 20 mm, a puncture resistance of greater than about 1.5 kgf when the second primary surface is supported by (i) an ˜25 μm thick PSA and (ii) an ˜50 μm thick PET layer, and the first primary surface is loaded with a stainless steel pin having a flat bottom with a 200 μm diameter, a pencil hardness of at least 8H, and a neutral axis within the glass layer located between the second primary surface and half of the first thickness.