500 pcs/pack, 20 packs/carton, 1 carton: 56X42X42cm
1. Material: PP
2. 1ml free standing cryo tube
3. Autoclavable to 121°C and freezable to –181°C
4. without graduation, with gasket
5.Screw cap with gasket for a positive and leakage-proof seal.
6. Perfect autoclavable and freezable
7. Buttom: free standing, flat