Designed for burst containment of hydraulic fluild escaping a hose rupture with force or a pin hole leak, the sleeve will dissipate the fluid safely, minimizing harm to employees and equipment. PS310C300BK SAFE SLEEVE, 300PK Additionally, the PTPS Series has been approved by MSHA for use in the mining industry.Safeplast Safe-Sleeve PTPS Series is a woven textile hose protection.