Performance Squirt Blood by Mehron is a Professional Theatrical Prop Blood for Stage, Screen, Video and Television. This quality Performance Squirt Blood is water based, not sticky syrup, and is available in venous (Dark) and arterial (Bright) colours to be used in tubing or appliances for special effect performance work Performance Squirt Blood has many theatrical applications but it is an especially great product for gushing blood effects. Besides Theatrical use. Also used by agencies performing disaster drills and emergency medical seminars. Because Mehron's Performance Squirt Blood is water based it is easily removed from skin, hair and costumes.