Hygienic to use: this breeding kit is safe and hygienic to use; The catheter is made of quality PVC material, which is flexible, smooth and 't do harm to your dogs Available size: this breeding kit includes 30 cm insemination catheters, 5 ml plastic centrifuge tubes and 5 ml measuring syringes without needles, which is suitable for small and medium breeds Individual package: every insemination catheter is individually packaged and disposable; Please throw these artificial breeding kits into waste bin after use Wide applications: this quality artificial breeding kit is not only suitable for dogs, but also suitable for artificial insemination of sheep and pigs; With these practical tools, you can operate the artificial breeding process easily and safely Colour:As Shown Material:PVC Package Contents: 10 x insemination catheters 10 x 5 ml plastic centrifuge tubes 10 x semen collection bags 10 x 5 ml measuring without needles 10 pairs x gloves Only the above package content, other products are not included. Note: Light reflection 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.