Purr party food jar: with a sweet Kitty cat motif, this double-walled stainless steel food jar keeps food hot for 5 hours and cold for 12 hours. Perfect for picnics, office lunch, hiking and camping. Function & style: Durable double-walled stainless steel food storage containers are perfect for lunch on the go! Small measures 17 ounces. Do not microwave. Hand-wash only.