Durable, heavy-duty containers and lids for a variety of uses. All-plastic, professional-grade construction will not rust, chip or peel resists dents. Strong, snap-on lids are available for secure, stable stacking. Built-in handles allow easy, non-slip lifting and anti-jam nesting. Gray, White and Yellow are USDA Meat & Poultry Equipment Group Listed and assist in complying with HACCP guidelines. Certified to NSF Std. 2 (gray, white and yellow) and Std. 21.