K-Shield Advantage 600-mL blood bag with has 48-inch tubing, pinch clamp and pre-attached 16-gauge venipuncture needle with safety device and needle-free sampling port.. Fast and simple one-step activation with an audible click. Needle-free sampling port. Does not contain unnecessary anticoagulant solution. 600 mL blood bag. Pinch clamp easily prevents backflow.. Volume graduation marks. . WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov