The Thermos ice pack is designed to prolong the freshness of meals and snacks transported in a lunch box or cooler. Reusable as often as you like, it's a sustainable solution for maintaining cold temperatures while traveling. This product contains a water-based solution and should not be consumed. The rigid plastic outer casing is designed to resist punctures, ensuring optimal safety during transport. Features: - Keeps items fresher longer - Puncture-resistant exterior plastic - Reusable - Sized to fit lunch boxes and coolers - Contains a water-based solution - Content not intended for human consumption Specifications: Height: 15.7 cm / 6.2 in Width: 12.5 cm / 4.92 in Depth: 2.5 cm / 0.98 in Weight: 0.31 kg / 0.68 lb