Sufficient for AI breeding: the package contains 20 sets of dog breeding kit, including 20 pieces insemination catheters, 20 pieces plastic centrifuge tubes, 20 pieces semen bags, adequate to undertake AI dog breedingProper size: the length of the insemination catheter is 30 cm, both centrifuge tubes and measuring syringes without needles are 5 ml, the suitable size of the breeding kit fit for small and medium animals breedingInsemination catheter: made of PVC material, the catheter is flexible that it can be bent randomly, not easy to crack and deform; Each catheter is individually packaged, with surface, it is and secure for animals breedingAbout centrifuge tubes: the centrifuge tubes are designed with screw caps, which can prevent semen leakage, and flat inner surface allows it to have no residue; There are white clear marks to read clearlyApplicable scope: the artificial breeding kit is appropriate for small and medium sized breeds, such as , goats, , pigs and other breeds, practical and useful tool for artificial insemination.Material: PVCcolour: white+bluePackage Contents:20 x deferens (30cm)20 x semen bags20 x centrifuge tubes (5ml)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.