V300 is Vi.Be.Mac. automatic continuous waistband attaching unit for jeans, casual trousers and denim jackets. Machine entirely manufactured in Italy and equipped with Vi.Be.Mac. sewing head, designed and developed by Vi.Be.Mac. R&D department. Remarkable simplicity of design, improvement in speed, electronic control of fabric transport, extremely easy solutions and many other features, make the V300 a perfect and only unit which can meet every kind of fashion requirement coming from the trousers and jeans. The continuous waistband attaching unit guarantees perfect result on the most difficult stretch fabric, and even on banana shape waistband. The FLX model version is convertible with from lockstitch to chain stitch and viceversa or mixed solutions, making it able to satisfy any style request (patented system worldwide).