... tube,silicon ring,ungraduated 1ml 500pcs/bag,24bags/cartonSHB02Freeze tube,silicon ring,ungraduated 1ml 500pcs/bag,24bags/cartonSHB03Freeze tube,silicon ring,ungraduated ... tube,silicon ring,ungraduated 7ml 150pcs/bag,16bags/cartonSHB08Freeze tube,silicon ring,molded graduated 10ml 50pcs/bag,16bags/cartonSHB09Freeze tube,silicon ring,molded ...