A favorite among livestock and poultry producers, Elast-a-Boot Disposable 4 Mil. Boots are a quick and easy way to protect your boots and shoes from mud, manure and grime. Its elastic top stretches wide, yet provides a snug fit. Made of lightly embossed blue plastic, this 17" boot is durable, lightweight and disposable. Fits men's shoe size up to 12; accommodates large work boots.