Humane Restraint Polyurethane Locking Ankle Restraints lining:Polyurethane 16" SecPro Ultimate Anti Riot Suit is SecPro Ultimate Anti Riot Suit is currently deployed and passes the rigorous standards of our most elite law enforcement agencies Exterior Dimensions 19 3 4” (W) x 32 5 8” (H) x 17 5 8” (D) Interior Dimensions 18 1 2” (W) x 21” (H) x 14 3 4” (D) Door Clearance 16 3 4” (W) x 22 1 4” (H) Drop Door Opening 16 3 4” (W) x 4 1 8” (H) Door Thickness 2 1 2" (1 2” solid steel plate) Cubic Feet 3 Polyurethane Ankle Locking Restraints ”Use with Humane Restraint's disposable fleece liners FWL 200 (Wrist)and FAL 200 (Ankle) for additional comfort