Reliable to use: these disposable breeding rods are made of quality PVC material, which is soft and smooth, each catheter is individually packaged, they are reliable for animals to use, helping you find insemination site easily Proper size: the length of insemination rod tube measures . 15 cm/ 5.9 inches, appropriate size is suitable for most different breeds of animals, such as dog, goat, sheep and so on Wide range of applications: these flexible breeding catheter tubes work together with most of syringe, suitable for animals to fertilize , making the process convenient; They are also to be applied on dog/ species, or other species of animals Convenient to apply: the length of disposable breeding catheter rods can be cut to fit your need, they are bendable and flexible, boil and soften before use, gently entering the pet's uterus Abundant quantity: the package contains 50 pieces artificial insemination rods in simple blue color, abundant quantity to meet your needs and for replacements. size: 15cm Material: plastic colour: blue Package Contents: 50 x Insemination Rods Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/ - 1-3cm.