Children's Water Bottle 450ml - Enchanted Rainbows Unicorn. Material: Polypropylene (Lid), Polystyrene (Body), Polyethylene (Straw), Silicone (Nozzle/Seal) and an Adjustable Polyester Strap. Food Safe: Yes. Flip Straw: Yes. Dishwasher Safe: No. Reusable: Yes. Volume: 450ml. BPA Free: Yes. Suitable for Hot Liquids: No. This funky unicorn rainbow design bottle is great for home, work, or holidays.