Description Specification: Material: PSU/PC For Cattle: 31kg Milk tube interface diameter: approx. 19mm / 0.7in Size: approx. 5520cm / 21.77.9in. The transparent bottle body has a clear scale for easy observation of milk volume. We are not responsible for undeliverable address. Dear customer, welcome to our store! Dear friend: Welcome to me my services are available: Monday To Friday: 8:30 to 18:00 1. If it’s non-workdays, please kindly be patient and considerable to give us a little more time.