... Description Size PackingSHB01Freeze tube,silicon ring,ungraduated 1ml 500pcs/bag,24bags/cartonSHB02Freeze tube,silicon ring,ungraduated 1ml 500pcs/bag,24bags/cartonSHB03Freeze tube,silicon ring,ungraduated ... 2ml 500pcs/bag,24bags/cartonSHB04Freeze tube,silicon ring,molded ...