Trekk Waterproof Cooler BackpackHeat welded seams for added durability. Insulated main compartment to keep items hot or cold. Waterproof and dirt resistant, making it suitable for various outdoor activities. Detachable and adjustable shoulder straps for comfortable carrying. Roll top design with a quick release buckle clip for secure closure. The bag has a capacity of 15 litres, providing ample space for your essentials.