Made of PU leather. PU is an abbreviation of polyurethane, and is a synthetic leather with polyurethane resin applied to the surface of the fabric. It features a soft and supple texture. In addition, it has a similar appearance and texture to genuine leather, with excellent elasticity and flexibility. The size is about 16.1 inches (41 cm), and the width is about 3.5 inches ( Please check the size carefully before making your purchase. The fine wine bag will complement your wine