H2O Water Bottle Flat Reusable Portable Notebook Style Ultra Slim Water Bottle Memo Bottle. Made of food grade plastic , Contains 380 ML. Leakproof Lid, slides into your bag. Convenient to handle in your hands like a memo or a notebook. It gives users a convenient object that fits neatly into any carrying case, just like a book or a computer. Durable and Freezer proof and heat resistant (Do not use with hot drinks) Ideal for travelling / Office, School, Colleges, Outdoor Activities, Sports, Hip Flask, water bottle, flasks, Fruit / vegetable Juice Bottle, sipper water bottle. Great space saving design sports bottle for every use.