The French Oak Wood Bone Collection has natural flecking and mimics the textures of wood and ceramics. They are made of bamboo and 100% food grade melamine. We use renewable bamboo powder and melamine make the bowls very durable. This collection is food safe, BPA-free, phthalate-free, and dishwasher safe. Dimensions: Medium: 6.4" x 6.4" x 2.2"Large: 7.5" x 7.5" x 2.6" | Tar Hong Wood Bone Pet Bowl in Blue | Size Large