Cheeki's reusable range of bottles, mugs and food jars make being environmentally responsible easy and fun. Cheeki products are made with Premium Food Grade #304 stainless steel, non-toxic inks. The double-walled, vacuum-insulated design of the 310ml Topaz Coffee Cup allows you to keep drinks as hot or as cold as you want for up 6 hours. It is BPA free, 16cm tall and 6.5cm wide, making it ideal for work, exercise and school. This cup is cool to touch even with hot drinks inside and comes with one pop-up lid which is super easy to drink from and completely leak-proof.