We are delighted to announce an upgrade in our cold shipped packaging. We have replaced the thermos packaging with a new innovative and eco-friendly packaging called WoolCool – 100% Pure Sheep’s wool. Why Woolcool? Woolcool insulation is made using 100% sheep’s wool. The Wool is sustainable, compostable and due to the Wool’s superior insulative properties, more effective than other solutions at keeping contents consistently colder for longer. This biodegradability means that at the end .