Hot or Cold, Always Fresh Built to keep your meals hot or cold for hours, this jar offers impressive heat retention – keeping food hot for up to 6 hours at 56°C and cold for up to 6 hours at 9°C. With advanced vacuum insulation and the innovative Therma Chamber lid, your food stays at the perfect temperature. Crafted from durable 18/8 stainless steel, this sleek jar features a leak-proof stopper and a pressure-relieving lid for easy use. The wide 2-7/8-inch opening allows for easy filling and cleaning, while BPA-free plastic ensures your food is safe. The Zojirushi Food Jar combines exceptional performance with modern design, perfect for any on-the-go lifestyle.