These high-quality heavy weight bowls are made from 20 gauge stainless steel. Rust, tarnish and corrosion resistant, these durable long-lasting, heavy duty stainless steel bowls make great feeding/watering dishes, suitable for all the animals in your facility. Easy to clean and hard to destroy. Stainless steel will also reduce the chances of chewing, staining and bacteria growth (with regular cleaning). These ultra strong bowls will stand up to daily shelter use! Dishwasher safe.