All kinds of freezing box 100well, 81well, 50well,36well Paper and plastic material Freezing box 100well for 1.8ml Cryo tube ... paper 1pc/bag,100pcs/CTNFreezing box 81well for ... 8ml Cryo tube paper 1pc/bag,100pcs/CTNFreezing box 100well for 1.8ml Cryo tube PP 1pc ... 8ml Cryo tube PP 1pc/bag,100pcs/CTNFreezing box 36well for 5ml Cryo tube PP 1pc/bag ...