[Material] Only applicable to our CryoKing screw cap microtubes; Caps are made of polypropylene; Can be repeatedly frozen and thawed
[Size] 0.47 inches in diameter and 0.37 inches in height
[Working Temperature] These screw caps are autoclavable to 121°C and freezable to -86°C
[What You Get] Universal screw threads for use; Caps only, tubes will be sold separately
[Package] 500 /Bag/Pack,10 Packs/Case, 5000 /Case