Feature:The product is made of high-quality rubber, which is soft, wear-resistant and bite-resistant, and has a longer service life.Food grade rubber, non-toxic, odorless, easy to clean, healthy and hygienic.The nipple has its own cross hole to milk, so it is more convenient for calves to suck milk.It fits perfectly with the milk barrel and is easy to install or disassemble.The product is suitable for all kinds of small animals, such as calves.Specification:Model: HL-MP71Product Material: RubberProduct color: RedLength: 6.9cm / 2.7inDiameter: 2.4cm / 0.9inSuitable animal type: CalfPackage list:5 * Calf Milk NippleNote:The actual product color may deviate from the photo due to light.There may be a slight deviation in the measurement of product.