The Explorer Bottle by Black and Blum is an insulated water bottle with a sleek black and blue design. Made from stainless steel, silicone, and nylon, this leak-proof bottle features a screw-on lid, double wall insulation, and a carrying loop for easy transportation. With a volume of 850ml, this BPA-free water bottle is perfect for camping, hiking, and other outdoor activities. Stand out from the crowd with this stylish and functional drinkware option. 24hr cool, 12hr hot. New in box.