Stainless Steel Water Bottles are Much More Durable than Plastic. Stainless Steel Water Bottles are Safe - The plastics in recyclable plastic water bottles are thought to be a health risk. Harmful chemicals are emitted from these bottles and these chemicals might cause cancer. By switching to stainless steel you can prevent harmful carcinogens from leaching into your drinking water. Stainless Steel Water Bottles Keep Your Drinking Water Cold or Hot. You Can Wash Stainless Steel Water Bottles in the Dishwasher Easy To Clean.