Metroseal Green Super Erecta-style frames with removable, easy-to-clean polymer shelf mats provide durable storage solution. Polymer shelf mats and Metroseal Green epoxy coated shelf frames have built-in Microban antimicrobial product protection. Polymer shelf mats have a lifetime warranty against rust and corrosion. Metroseal Green coated shelf frames have a 15-year limited warranty against rust and corrosion.