Fall-proof and environmentally friendly generation of the classic Design Letters children's mug. Now in 3 new pretty transparent colors: Blue, Green and Violet. The cup is made of Ecozen - a bio-based version of tritan based on organic material (corn). The production of Ecozen is energy efficient because the material is processed at low temperatures. The material is non-toxic and 100% BPA-free, BPS-free and phthalate-free. Ecozen is food approved in all major countries, including EU, USA, Japan and Korea. Colour: Green Material: EcozenDimensions: xH 7,5x7,5 cm