Nefeeko Collapsible Water Bottle Staying properly hydrated is always important, but it can also help relieve bloating — which is a common PMS symptom. The Nefeeko Collapsible Water Bottle ($13) is perfect for travel because it's lightweight and collapses down into a compact size when it's empty. Image Source: amazon.com Nefeeko Collapsible Water Bottle $13 from amazon.com Buy Now