Size:18cm/7 inch Rubber Dog Chew Toy is designed for strong chewers. You can use the Toy play with your pet pals, promoting bond between you and your pets, also help pets' intelligence improving Delivery Time:It usually take about 7-17 business days after it ship. There is only one option for Amazon - '17-28 days'. So you will find the Estimated Delivery Date too long. In fact it is not ture. Most of our customers receive their package in 7 - 10 business days. 100% money back or replacement if you are not satiesfied with the quality.There is a size table in the left picture.