Durable, heavy-duty containers 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 and Poultry Equipment Group listed and assist in complying with HACCP guidelines. Certified to NSF Standard #2 (gray, white, and yellow) and Standard #21 for all colors.