Injection Molded plastic round or square bucket or pail can be used to store powders, liquids, or others anything safely in plastic buckets with lids that really make an airtight seal. The larger lid will fit either the 3 1/2 or 5 gallon bucket. The buckets are made of food-grade heavy-duty white plastic materials. Round or square bucket or pail from our company can be made in a variety of colors and prints and metal handle almost available for all sizes from 1/2 to 5 gallons.