The ability to ship our treat fillers internationally varies depending on the destination country's specific import regulations. For instance, Canada currently does not accept treat refills due to its import restrictions. However, in Europe, the acceptance of such products can differ from country to country.We recommend that you check with your local shipping carrier or customs office to understand the specific import rules for your location. It's important to confirm whether these items are permissible in your country before placing an order.On a related note, all of our refillable bones are made from 100% natural rubber and are accepted worldwide. For further assistance or specific queries regarding international shipping, please feel free to contact us directly.