Cheeki Kids Insulated Bottle is durable, double-walled, made using premium food grade 304 (18/8) stainless steel that will keep liquids cold for up to 24 hours. Eco-friendly and completely free of BPA, toxins and lead, this bottle is adorned with colourful purple seahorse design done in durable non-toxic paint. It is easy to hold with a soft rubber handle on top and a non-slip silicone sleeve below and easy to drink from because the Tri-Tech lid is adjustable to three different flow rates and can be used with the included straw. The diameter of the bottle base: 7.5cm. Capacity: 400 ml.