Fabric - Certified 100%, Bizzy Lizzy. Bizzy Lizzy is also commercially known as “PV fabric (poly-viscous), “Lizzy Bizzy”, "Soft Cotton" and “Nighty Fabric”. It is one of the known fabrics used for nighties because of its blend. This breathable fabric is appreciated for its softness and strength. This fabric does not shrink and suits all skin types.