Biogel PI UltraTouch S Indicator Underglove is a blue surgical underglove made from synthetic polyisoprene excluding chemical accelerators known to cause skin irritation, such as Thiazoles, Thiurams, Carbamates, Thioureas and Diphenylguanidine. It is also manufactured without CPC (Cetyl Pyridinium Chloride). It can be used with the Biogel PI UltraTouch S overglove to create a colored Puncture Indication System, proven to provide the fastest and largest puncture indication available.