Designed for drinking This is not a redesign it’s an evolution. The series 2 range has been systematically engineered to deliver a fantastic drinking experience. Still keeping your cold drinks cold for 24 hours and your hot drinks hot for 12 hours. The Series 2 Bottle is a triumph in reusable design. It’s soft touch, anti-microbial drinking collar ensures comfortable sipping whilst its customizable carry loop makes on the go drinking even easier and then there’s a rubber base which proves it’s the little things that count. 500ml.