Quantum QUS205 Plastic Storage Stacking Ultra Bin, 4-Inch by 4-Inch by 3-Inch, Red, Case of 24 These bins are interchangeable with other manufactured brands of bins The bins feature large, multiple label slots for easy insertion of labels, which results in more convenient content identification The bins' reinforced design adds strength and prevents spreading The bins are manufactured from heavy duty, virgin, high density, FDA approved polypropylene/polyethylene Made in the usa