Marlow's SPIE system has been designed for the transportation of a larger number of personnel with increased safety. Higher strength to accommodate greater number of personnel (10 to 12 as standard), the Marlow S.P.I.E. uses with a unique 2 loop integrated colour coded safety system for all personnel. The Loop system is manufactured using lightweight, high strength Dyneema, eliminating the need for heavy, bulky metal fittings. The SPIE also has an additional yellow loop for easy retrieval.