Legcover without screws. Technical Description: The original leg cover with PATENTED ANTI-FLAP INFLATABLE SYSTEM (S.G.A.S.): the inflatable chambers on the sides of the cover prevent flapping at high speed. Three-layer construction to ensure thermal protection and waterproofing: Waterproof heavy Polyamide outer shell and taped seams. Fully waterproof inner membrane. Lined interior for extra warmth. S.G.A.S. anti-flap inflatable system.Anti-theft system (metal ring) available for models not requiring screw fixing. Large storage pocket. Built-in saddle cover. Reflective edging. Composition: 75% polyamid 25% polyester.