Fortiflex(R) Salt Block Pan Made with Fortalloy rubber-polyethylene blend for exceptional strength and toughness even at low temperatures. Features: Designed to hold and protect mineral salt block for maximum durability Radial ribs in the center of this durable holder keep your large blocks off the bottom and dry Designed to hold up to a 50 lb salt block. 8 large diameter holes for optimal drainage preventing accelerator dissoultion of salt block Four hands grips for easy handling Salt block NOT included