Sharkskinzz Original Disposable Flasks Collapsible - Stands upright when filled. Flexible, foldable, freezable, and empties completely flat Reusable - Durable, no transfer of taste/odor, easy to clean. Hand wash or top rack dishwasher safe Safe - BPA-free, phthalates-free, and made with FDA approved materials Holds 7.5 fluid oz of your favorite non-carbonated beverage No metal parts - Sold as set of 3 Disposable Flasks + Free Funnel The Original Disposable Flask is a soft, collapsible bottle designed to take 7.5 fl. oz. of liquids on the go. It stands upright when filled, empties completely flat and can be rolled or folded for easy storage for multiple uses. The Original Disposable Flask fits comfortably into your pocket, handbag or wherever you need it to be. Designed with FDA-compliant materials, our collapsible bottles are perfect for taking spirits, juices and water with you anywhere you go! Perfect for: concerts, parties, sporting events, outdoor activities, anywhere glass isn't preferred.