amazlab halloween party cups, live blood of theme parties- iv blood bag drink containers 11.5 fl oz, vampire/ hospital/halloween theme party favors, nurse graduation party props (10packs) amazlab amazlab blood bag comes empty with 10 bags per set, it has a working tube, convenient for both funneling drinks and drinking, made with anti-leak design for worry free revelry, a funnel and a clip styled stopper to avoid spillage and customizable labels. completely food safe, can contain soda, alcohol and juice. blood bag comes with a prestamped hole in the top, for convenient hooking. makes a great container for party drinks as well as decorations. beloved by vampires all around the world