Key features:. Food & freezer safe. Extra thick and leak proof. Easy to wash. Easy-to-open tab. Made from food-grade PEVA. BPA & lead free. Sandwich Bag SizeDitch the plastic baggies and help reduce the 8 million tons of plastic dumped into our oceans each year. Our sandwich-size bags make it easy to pack eco-friendly lunches. Each order includes 3 bags great for packing sandwiches, snacks, art supplies, first aid supplies, you name it!In fact, we've identified at least 50 uses for our reusable bags. But there's many more!Our reusable bags are sent in zero-waste packaging and are delivered by our carbon-neutral shipping partner Sendle.