Our FDA compliant, BPA free, eco-fresh bag provides up to an 85 percent reduced carbon footprint over more traditional packaging. Each pouch holds twice the amount of nectar as our popular bottles and offers a durable leak proof cap that keeps your product fresh long after it is opened. Gone are the mess and hassle of making your own hummingbird nectar just to be 100 percent certain that only the best of ingredients are being offered at your feeders. Our Sweet-Nectar hummingbird nectar concentrate makes 4500 ml (3X) by simply adding the appropriate amount of regular tap water.