Sony IT VAIO Duo 11 Carrying Case with Stylus Holder - Gunmetal (VGP-CK1) Soft interior lining protects the VAIO Duo 11 from scratches. Custom design to match the VAIO Duo 11 perfectly. Custom VAIO Duo 11 pen holder on the side of the case. Exterior texture offers protection and eye-catching design. Flap closure keeps the laptop secure with minimal effort.