Material: Bamboo Composite - Bamboo (60%), Melamine (35%), Cornstarch (5%) and Recycled Silicone Brand: Bambootique Volume: 400ml Food Safe: Yes Environmental Credentials: Made from a composite of sustainably grown and fast renewable organic bamboo mixed with corn starch and melamine for durability. The bamboo has been recycled from off cuts of chopsticks. This range is BPA free, reusable and phthalate free. Hot and Cold Food: Yes. Caution: Not to be used with food or drink over 70c as there is a danger of scalding. Microwave Safe: No Dishwasher Safe: Yes amb86