Bubi Bottle Reusable Collapsible BPA Free Silicone Water Bottle 22 Oz Sports Camping Canteen - Teal Heat resistant, place it over a fire to boil water or heat up liquid meals- Dishwasher Safe Freezer safe, fill and freeze - Can be used as a hot or cold compress Rolls up for easy storage, ready for the next use Made of high grade silicone. BPA&amp;#45;free and FDA&amp;#45;approved for food contact. Eco&amp;#45;friendly&amp;#44; RoHS approved in Europe&amp;#44; FDA&amp;#45;approved in USA&amp;#44; materials.