Made of high quality food-safe bamboo fiber material which are highly durable and has anti-bacterial properties. Let substainability starts from young! This cup encourages kids to drink up by themselves with easy to grip cup handle. Measurements: Diameter (across): 8cm Depth:8.5cm Super Durable - The material is very durable and can withstand hitting the floor or any other surface with ease definitely a good choice to use for children, especially of very young ages. Easy to Clean - Bamboo fibre doesn’t soak up color or odor from the food that’s in or on it. They are easy to clean and maintain. Bamboo doesn’t allow for the food to seep into the fibre so most meals can simply be wiped away with some soapy water and a sponge. Anti-Bacterial Properties - Due to Bamboo natural anti-bacterial properties that prevent the growth of harmful bacteria. You won’t end up with foul smells like you can with other types of wooden or plastic bowls. Making it very safe for your little ones. 100% Bio-Degradable - Bamboo fibre is 100% bio-degradable, which means it’s completely eco-friendly. Let substainability starts from young!