This is not a redesign, it’s an evolution. The Series 2 range has been systematically engineered to deliver an unprecedented 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. Its soft-touch, anti-microbial drinking collar ensures comfortable sipping, whilst its customisable carry loop makes on-the-go drinking even easier. And then there’s the rubber base, which proves it’s the little things that count. 350ml. Series 2 bottles are 100% leak-proof - and they come with a new, improved design. The o-ring seal in the lid is built in, which means that your bottle is sealed even more securely. 350ml – 7.5cm wide and 17.5cm tall. The weight of this bottle is 251g. Like our original Chilly's Bottles, our Series 2 bottles are 100% leak-proof - and they come with a new, improved design. The o-ring seal in the lid is built in, which means that your bottle is sealed even more securely.