ULTRA HEALTH 300710 - Boot Covers Anti-Skid Heavy Duty Microporous Impervious PVC/Polyester Sole - Carton Ultra Health Boot Covers - Anti-Skid - Heavy Duty - Mircoporous Impervious with PVC/Polyester Sole Features: Waterproof, heavy duty PVC sole, anti-slip with top elastic and mid-ties Height 50cm, Length 40cm 100pair per carton.