With 11 points of contact this strapping system provides superior patient security and immobilization. Our exclusive "Delvin Tri-Slide" clip is adjustable while securing straps in place on and of the board unlike the spider straps. he 11th point also allows straps to be cleared of patient while remaining attached to your spineboard. Constructed of luid impervious poly webbing that can be easily cleaned with bleach/water solution. Unit features a convenient strapping loop to keep the strap compact and organized during storage. All Packed 25/Case.