Unsupported films cast from water solutions of poly (vinyl alcohol) (PVA) and plasticizer are transparent, tough, tear and puncture resistant, resistant to oils and impermeability to most gases. PVA is apt for production of environmentally friendly items. Due to strong intermolecular forces PVA has high mechanical strength (tensile strength B > 80 MPa), though small deformability (elongation at break B < 5 %). The last one is considered as the constitutive drawback of polymers, which are intended to use for films preparation. PVA plasticizing by hydroxyl groups containing mostly low-molecular substances (glycerol, ethylene glycol, polyethylene glycol etc.) is recognized trend of weakening of too high intermolecular interaction. Development of PVA blends with another more deformable polymeric counter component could turn out efficient. Poly (vinyl acetate) (PVAc) was chosen as a counter component.