Eco Tanka Thermo Bottle 800mlThe ECOtanka Thermo tanka is a new and improved insulated stainless steel drink bottle for the ECOtanka range. When you need to keep drinks extra cold or hot when you are on the go consider a Thermo Tanka. The Cap Top lid offers easy drinking on the go. Stainless Steel lid options (sold separately) mean that not only do these bottles look great, but there will be no plastic touching your drink!