Cooler box with 13 liter capacity, made from on the inside and outside with a lid and insulation layer. Made with durable, lightweight materials (PU/PE) that resist moisture, chemicals, and everyday wear for long-lasting performance. Keeps contents cold for 8 to 12 hours and warm for 4 to 5 hours. Designed to fit a 1.5 liter soda bottle diagonally. Equipped with a sturdy handle for easy transport.