Disposable vas deferens outer sheath, sterile and safe delivery of semen, clean and sterile, smooth tube body, used in conjunction with vas deferens · A disposable vas deferens outer sheath ensures sterile and safe delivery of semen, with a smooth tube body, and is used in conjunction with the vas deferens; · High quality PP material is non-toxic and harmless, and does not react with semen diluent or cryoprotectants; Recyclable; · Round headed front end, smooth without burrs, does not harm animals; · The tube adopts a U-shaped closure and a specially designed push type plug, which can push out the semen inside the thin tube.