Squirt Blood is a ï¾ theatrical prop blood. This quality Squirt Blood is water based, not sticky syrup, and is available in venous and arterial colors to be used in tubing or appliances for special effect performance work. Squirt Blood is an especially great product for gushing blood effects. Besides theatrical use, this Squirt Blood is also used for performing disaster drills and emergency medical seminars. Because Squirt Blood is water based it is easily removed from skin, hair and costumes.