Insulated wide-mouthed food containers perfect for hot and cold lunches. Beautifully-designed, double-walled containers to keep food chilled or warm for up to 6 hours. Cool to the touch with hot foods and sweat-proof with cold foods. Both the interior and exterior walls are made from Stainless Steel. Easy screw on cap for small hands. BPA, PVC, Phthalate and Lead Free. Jar is 8.25 cm (3.25 inches) in diameter and 11.4 cm (4.5 inches) tall. Holds 300 ml (10 oz). Handwashing is recommended.